Inventor

Hiroki Yoshikawa

Inventor

Hiratsuka, JP

Overview

1987–2020

Patent span

Physics

Primary field (CPC G)

Patents· 111 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G03Fprimary

G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices16%

G03BApparatus or arrangements for taking photographs or for projecting or viewing them10%

G02BOptical elements, systems or apparatus9%

H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy8%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution8%

Y10TTechnical subjects covered by former us classification6%

H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h106%

C23CCoating metallic material5%

H04NPictorial communication, e.g. television5%

Y02PClimate change mitigation technologies in the production or processing of goods3%

PatentTitleYear

10,811,681Negative electrode active material, negative electrode, lithium ion secondary battery, method for producing negative electrode material for non-aqueous electrolyte secondary battery and method for producing lithium ion secondary battery2020 10,700,348Negative electrode material for nonaqueous electrolyte secondary batteries, and secondary battery2020 10,686,189Negative electrode material for non-aqueous electrolyte secondary battery, method of producing the same, negative electrode active material layer for non-aqueous electrolyte secondary battery, negative electrode for non-aqueous electrolyte secondary battery, and non-aqueous electrolyte secondary battery2020 10,629,890Negative electrode material for non-aqueous electrolyte secondary battery, negative electrode for non-aqueous electrolyte secondary battery, non-aqueous electrolyte secondary battery, and method of producing negative electrode active material particles2020 10,566,607Negative electrode active material, raw material for a negative electrode active material, negative electrode, lithium ion secondary battery, method for producing a negative electrode active material, and method for producing a lithium ion secondary battery2020 10,535,872Negative electrode active material for non-aqueous electrolyte secondary battery, negative electrode for non-aqueous electrolyte secondary battery, non-aqueous electrolyte secondary battery, and method of producing negative electrode active material particles2020 10,529,984Negative electrode material for non-aqueous electrolyte secondary battery and method of producing negative electrode active material particles2020 10,446,837Negative electrode active material for non-aqueous electrolyte secondary battery, negative electrode for non-aqueous electrolyte secondary battery, non-aqueous electrolyte secondary battery, and method of producing negative electrode material for a non-aqueous electrolyte secondary battery2019 10,396,348Negative electrode material for non-aqueous electrolyte secondary battery, method of producing negative electrode material for non-aqueous electrolyte secondary battery, and non-aqueous electrolyte secondary battery2019 10,396,351Negative electrode material for non-aqueous electrolyte secondary battery and method of producing negative electrode active material particles2019 10,396,353Negative electrode active material for non-aqueous electrolyte secondary battery, negative electrode for non-aqueous electrolyte secondary battery, non-aqueous electrolyte secondary battery, and method of producing negative electrode material for non-aqueous electrolyte secondary battery2019 10,388,950Negative electrode active material for negative electrode material of non-aqueous electrolyte secondary battery, negative electrode for non-aqueous electrolyte secondary battery, and non-aqueous electrolyte secondary battery2019 10,342,808Rocuronium bromide injection solution-filled prefilled syringe2019 10,283,756Negative electrode active material, method for producing a negative electrode active material, and lithium ion secondary battery2019 10,199,678Negative electrode material for non-aqueous electrolyte secondary battery, negative electrode for non-aqueous electrolyte secondary battery and method of producing the same, and non-aqueous electrolyte secondary battery2019 10,069,142Rotary tubular furnace, method of producing negative electrode active material for non-aqueous electrolyte secondary battery, negative electrode active material for non-aqueous electrolyte secondary battery, and non-aqueous electrolyte secondary battery2018 9,935,309Negative electrode active material, raw material for a negative electrode active material, negative electrode, lithium ion secondary battery, method for producing a negative electrode active material, and method for producing a lithium ion secondary battery2018 9,929,399'Negative electrode active material, method for producing a negative electrode active material, and lithium ion secondary battery'2018 9,893,353'Negative electrode material for nonaqueous electrolyte secondary batteries, and secondary battery'2018 9,831,495Negative electrode active material for non-aqueous electrolyte secondary battery, non-aqueous electrolyte secondary battery, and method of producing negative electrode material for a non-aqueous electrolyte secondary battery2017 9,812,300'Silicon target for sputtering film formation and method for forming silicon-containing thin film'2017 9,777,131'Method for reclaiming used superabsorbent polymer'2017 9,728,779'Negative electrode for non-aqueous electrolyte secondary battery and non-aqueous electrolyte secondary battery'2017 9,689,066'Photomask blank manufacturing method, photomask blank, photomask, and pattern transfer method'2017 9,488,907'Photomask blank, process for production of photomask, and chromium-containing material film'2016 9,449,293'Displaying organizational information for a user\'s downline in a graphical user interface'2016 9,091,931'Photomask blank and method for manufacturing photomask'2015 8,992,788'Evaluation of etching conditions for pattern-forming film'2015 8,980,503'Binary photomask blank and binary photomask making method'2015 8,968,972'Photomask blank, process for production of photomask, and chromium-containing material film'2015 8,920,666'Etching method and photomask blank processing method'2014 8,841,048'Photomask blank, photomask, and making method'2014 8,753,787'Light pattern exposure method, photomask, and photomask blank'2014 8,753,786'Light pattern exposure method, halftone phase shift mask, and halftone phase shift mask blank'2014 8,709,686'Photomask blank, process for production of photomask, and chromium-containing material film'2014 8,647,795'Sputtering target material, silicon-containing film forming method, and photomask blank'2014 8,563,216'Substrate to be processed having laminated thereon resist film for electron beam and organic conductive film, method for manufacturing the same, and resist patterning process'2013 8,475,978'Photomask blank and making method, photomask, light pattern exposure method, and design method of transition metal/silicon base material film'2013 8,417,018'Method for inspecting and judging photomask blank or intermediate thereof'2013 8,309,277'Photomask making method'2012 8,169,708'Projecting optical unit and projecting type image display apparatus therewith'2012 8,168,351'Method for inspecting photomask blank or intermediate thereof, method for determining dosage of high-energy radiation, and method for manufacturing photomask blank'2012 8,148,036'Photomask blank and photomask'2012 8,012,654'Photomask blank and photomask'2011 8,007,964'Photomask blank and photomask'2011 8,003,284'Photomask blank and photomask'2011 7,989,124'Photomask blank and photomask making method'2011 7,961,400'Projecting optical unit and projecting type image display apparatus therewith'2011 7,904,836'Image reproduction method, image reproduction device and digital camera'2011 7,790,339'Photomask blank'2010 7,771,893'Photomask blank, photomask and fabrication method thereof'2010 7,767,366'Photomask blank and photomask'2010 7,767,367'Photomask blank and photomask making method'2010 7,767,368'Method of fabricating photomask blank'2010 7,736,824'Photomask blank, photomask, and method of manufacture'2010 7,697,202'Screen, fresnel lens sheet used for the same, and image display apparatus using the same'2010 7,691,546'Photomask blank and photomask'2010 7,675,679'Image display device and Fresnel lens sheet used therefor'2010 7,670,007'Projection display, projection optical system and transmission lens or free curved lens'2010 7,632,609'Fabrication method of photomask-blank'2009 7,625,676'Photomask blank, photomask and fabrication method thereof'2009 7,625,677'Half-tone stacked film, photomask-blank, photomask and fabrication method thereof'2009 7,622,227'Phase-shift photomask-blank, phase-shift photomask and fabrication method thereof'2009 7,618,753'Photomask blank, photomask and method for producing those'2009 7,598,004'Film-depositing target and preparation of phase shift mask blank'2009 7,589,904'Projection type image display device'2009 7,586,687'Projecting optical unit and projecting type image display apparatus therewith'2009 7,581,838'Optical projector and image display apparatus using the same'2009 7,556,892'Halftone phase shift mask blank, halftone phase shift mask, and pattern transfer method'2009 7,551,352'Image display apparatus, as well as, Fresnel lens sheet and screen to be used therein'2009 7,535,648'Projection type image display'2009 7,529,023'Image display, Fresnel lens and screen'2009 7,514,185'Preparation of photomask blank and photomask'2009 7,467,872'Projection optical unit and projection type video display device using the unit'2008 7,460,301'Image display apparatus, and transmissive screen and reflecting mirror used for same'2008 7,440,186'Screen, a fresnel lens sheet used for the screen, and an image display apparatus using the screen'2008 7,436,593'Screen, fresnel lens sheet used therefor, and image display apparatus using the same'2008 7,425,390'Preparation of halftone phase shift mask blank'2008 7,419,749'Halftone phase shift mask blank, halftone phase shift mask and their preparation'2008 7,403,335'Screen, Fresnel lens sheet used for the same, and image display apparatus using the same'2008 7,362,503'Screen, Fresnel lens sheet used for the same, and image display apparatus using the same'2008 7,351,505'Phase shift mask blank, phase shift mask, and pattern transfer method'2008 7,344,806'Method of producing phase shift mask blank, method of producing phase shift mask, phase shift mask blank, and phase shift mask'2008 7,329,474'Photomask blank, photomask, and method of manufacture'2008 7,261,421'Optical projector and image display apparatus using the same'2007 7,245,429'Image display device, rear projection type screen used in image display device, Fresnel lens sheet, and method of making Fresnel lens sheet'2007 7,095,558'Image display device, rear projection type screen used in image display device, Fresnel lens sheet, and method of making Fresnel lens sheet'2006 6,806,990'Optical device and method for producing optical device'2004 6,798,580'Projection type image display apparatus'2004 6,462,794'Image forming unit, enlarging unit, optical parts, and image display apparatus having these components'2002 6,275,336'Optical isolator'2001 6,201,516'Projector, projecting system, system for sensation and method of manufacturing translucent screen'2001 6,130,786'Projection lens and image display device'2000 5,933,280'Projection lens and image display device'1999 5,926,153'Multi-display apparatus'1999 5,833,340'Sensory integration system and image display device and concave mirror for use in the same system'1998 5,808,704'Rear projection type image display apparatus'1998 5,659,424'Projecting lens and image display device'1997 5,613,748'Rear projection type image display apparatus and transmission type screen used therein'1997 5,590,943'Rear projection type image display apparatus and transmission type screen used therein'1997 5,513,037'Rear-projection screen and a rear projection image display employing the rear-projection screen'1996 5,485,308'Rear-projection type image display apparatus and rear-projection type screen'1996 5,400,114'Rear-projection screen and a rear projection image display employing the rear-projection screen'1995 5,272,540'Temperature compensating lens system for projection television'1993 5,255,122'Projection lens system for projection type television'1993 5,200,814'Video projector with optical color balance'1993 5,103,302'Optical system for projection type image display device'1992 5,066,099'Rear projection screen and method of producing the same'1991 4,948,237'Projection lens system'1990 4,824,224'Lens system for a cathode ray tube projection system'1989 4,638,643'Control system for compressor motor used with air-conditioning unit'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–2012Patents assigned to HITACHI LTD (42)· patent assignee history

1990–2012Based in Hiratsuka, JP· patent location history

2001–2020Patents assigned to SHINETSU CHEMICAL CO (62)· patent assignee history

2008–2015Patents assigned to TOPPAN PRINTING CO LTD (19)· patent assignee history

2008–2015Based in Joetsu-shi, JP· patent location history

2008–2017Based in Niigata, JP· patent location history

2012–2015Patents assigned to YOSHIKAWA HIROKI (13)· patent assignee history

2012–2015Patents assigned to INAZUKI YUKIO (10)· patent assignee history

2017–2020Based in Takasaki, JP· patent location history

2018–2020Based in Annaka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SHINETSU CHEMICAL CO	62	2001–2020
HITACHI LTD	42	1987–2012
TOPPAN PRINTING CO LTD	19	2008–2015
YOSHIKAWA HIROKIself	13	2012–2015
INAZUKI YUKIO	10	2012–2015

Locations

Location	Patents	Span
Hiratsuka, JP	38	1990–2012
Joetsu-shi, JP	27	2008–2015
Takasaki, JP	18	2017–2020
Niigata, JP	15	2008–2017
Annaka, JP	2	2018–2020