Inventor

Naoki Kikuchi

Inventor

Chandler, AZ, US

Overview

87→

Patents

1991–2021

Patent span

Physics

Primary field (CPC G)

Patents· 87 as inventor

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

G02Fprimary

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein8%

C21CProcessing of pig-iron, e.g. refining, manufacture of wrought-iron or steel6%

G02BOptical elements, systems or apparatus5%

G06TImage data processing or generation, in general5%

H04NPictorial communication, e.g. television5%

Y10TTechnical subjects covered by former us classification5%

B29CShaping or joining of plastics3%

G06KGraphical data reading3%

G06VImage or video recognition or understanding3%

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

PatentTitleYear

11,124,849Method for operating converter2021 11,077,492Continuous steel casting method2021 11,062,159Emotion estimation apparatus2021 10,745,771Method for refining molten steel in vacuum degassing equipment2020 10,701,341Calibration method, calibration device, and computer program product2020 10,650,965Film capacitor, combination type capacitor, and inverter and electric vehicle using the same2020 10,621,694Image processing apparatus, system, image processing method, calibration method, and computer-readable recording medium2020 10,607,784Film capacitor, combination type capacitor, inverter, and electric vehicle2020 10,535,464Film capacitor, combination type capacitor, and inverter and electric vehicle using the same2020 10,515,546Driving determination device and detection device2019 10,277,887Calibration method and measurement tool2019 10,218,961Calibration method, calibration device, and computer program product2019 10,186,034Image processing apparatus, system, image processing method, calibration method, and computer-readable recording medium2019 9,994,074Detection device, detection system, and detection method2018 9,957,581Method for refining hot metal in converter2018 9,920,390'Method for preliminary treatment of molten iron'2018 9,870,616'Information processing device, information processing method, and system'2018 9,580,764'Top-blowing lance and method for refining molten iron using the same'2017 9,211,654'Continuous fiber-reinforced thermoplastic resin pellets and manufacturing method of the same'2015 9,011,167'Bus bar, method of manufacturing the same, and bus bar and connector'2015 8,928,500'State determination device, state determination method, and program'2015 8,913,032'Position information correction device, position information correction method, and program'2014 8,722,200'Laminated plate and composite formed article'2014 8,665,412'Display device with sufficient adhesive strength for sealing material'2014 8,500,473'Bus bar and connector'2013 8,469,471'Image forming apparatus'2013 8,441,607'Display device with sufficient adhesive strength for sealing material'2013 8,363,279'Method and device for setting multiple tones in halftone process to prevent mixing of adjacent ink dots'2013 8,308,463'Resin screw rotor molded to a metallic shaft'2012 8,274,635'Display device with sufficient adhesive strength for sealing material'2012 8,089,602'Display device with spacers having different heights and numbers'2012 7,993,737'Natural fiber-reinforced thermoplastic resin injection molding'2011 7,982,845'Display device with sufficient adhesive strength for sealing material'2011 7,533,961'Imaging method and image forming apparatus'2009 7,405,506'Driving mechanism and micro-mirror device provided with the same'2008 7,372,620'Micromirror and micromirror device'2008 7,341,967'Glass for press molding'2008 7,271,946'Micromirror and micromirror device'2007 7,236,283'Scanning mirror unit and beam scanning probe'2007 7,116,465'Micromirror device'2006 7,042,621'Micromirror device'2006 6,787,770'Method of inspecting holes using charged-particle beam'2004 6,589,162'Endoscope system and video camera for endoscope'2003 6,448,316'Flame retardant polycarbonate-styrene (or acrylate) polymers, and/or copolymers and/or graft polymer/copolymer mixtures'2002 6,379,425'Method of desulfurizing molten iron'2002 6,328,784'Method of desulfurizing molten iron alloy'2001 6,141,824'Blower and vacuum device'2000 6,141,823'Blower and vacuum device'2000 6,021,573'In-line oscillating cam assembly'2000 D0417044'Blower attachment'1999 5,895,607'Electrically conductive casings for electronic devices'1999 5,841,496'Reflective liquid crystal display device'1998 5,833,524'Dust collection system for a power tool'1998 5,835,175'Liquid crystal display apparatus'1998 5,768,749'Portable air blower'1998 5,769,923'Decarburization refining process for chromium-containing molten metal and associated top blowing lance'1998 5,743,938'Method of decarburizing refining molten steel containing Cr'1998 D0393506'Combined blower and nozzle attachment'1998 D0393402'Grass shear'1998 D0389707'Hedge trimmer attachment'1998 5,694,992'Combination router'1997 5,662,440'Router attachment'1997 D0382451'Battery powered hedge trimmer'1997 D0378727'Rotary tool'1997 D0377442'T-handle drill'1997 5,519,523'Liquid crystal display device with residual retardation compensated for in liquid crystal layer'1996 D0366406'Sander'1996 5,485,295'Liquid crystal display apparatus having driving voltage to enable light of many wavelengths to take a same sign along one axis of a poincare sphere'1996 5,470,272'Removable working tool assembly'1995 5,419,737'Random orbital sanding machine having a removable debris container'1995 D0355198'Small engine for a portable power tool'1995 D0352430'Power head for a line trimmer'1994 5,351,590'Scroll saw clamp and method for making the same'1994 5,313,293'Dot-matrix type display device'1994 D0345089'Random orbital sander'1994 5,291,322'Supertwisted, nematic liquid crystal display device with LC birefringence at least 0.2 and LC retardation at least 1 micrometer'1994 5,265,341'Battery powered line trimmer arm rest'1993 D0339727'Portable electric driver drill'1993 D0337038'Portable electric driver'1993 D0334576'Portable miter saw'1993 D0334331'Attachment for portable electric driver'1993 D0332208'Portable electric driver drill'1993 5,157,526'Unabsorbing type polarizer, method for manufacturing the same, polarized light source using the same, and apparatus for liquid crystal display using the same'1992 D0325503'Portable electric driver'1992 D0323099'Portable electric belt sander'1992 D0321337'Battery charger'1991 D0321338'Storage battery for electric tools'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–2000Patents assigned to RYOBI LTD (13)· patent assignee history

1991–2021Based in Tokyo, JP· patent location history

1992–1998Patents assigned to HITACHI LTD (7)· patent assignee history

1992–2014Based in Mobara, JP· patent location history

1993–2000Based in Chandler, AZ, US· patent location history

1997–2000Patents assigned to RYOBI NORTH AMERICA INC (12)· patent assignee history

1999–2015Based in Kobe, JP· patent location history

2009–2020Based in Kanagawa, JP· patent location history

2012–2020Patents assigned to KIKUCHI NAOKI (18)· patent assignee history

2013–2020Patents assigned to RICOH CO LTD (10)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
KIKUCHI NAOKIself	18	2012–2020
RYOBI LTD	13	1991–2000
RYOBI NORTH AMERICA INC	12	1997–2000
RICOH CO LTD	10	2013–2020
HITACHI LTD	7	1992–1998

Locations

Location	Patents	Span
Chandler, AZ, US	22	1993–2000
Tokyo, JP	21	1991–2021
Kanagawa, JP	13	2009–2020
Mobara, JP	12	1992–2014
Kobe, JP	8	1999–2015