Inventor

Chikara Murata

Inventor

Shizuoka, JP

Overview

25→

Patents

1992–2020

Patent span

Performing operations

Primary field (CPC B)

Patents· 25 as inventor

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

B21Dprimary

B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material18%

Y10TTechnical subjects covered by former us classification17%

G02BOptical elements, systems or apparatus11%

B23PMetal-working not otherwise provided for5%

B30BPresses in general5%

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form5%

B41MPrinting, duplicating, marking, or copying processes5%

B23QDetails, components, or accessories for machine tools, e.g. arrangements for copying or controlling3%

B41JTypewriters3%

H01FMagnets3%

PatentTitleYear

10,799,936Press-molding system and press-molding method2020 10,075,049Stacking apparatus and stack manufacturing system2018 9,849,498Stacking apparatus and stack manufacturing system2017 9,044,912'Operation method of electric press working machine'2015 8,778,489'Optical layered product'2014 6,852,189'Method and apparatus for manufacturing laminates'2005 6,777,070'Antireflection material and polarizing film using the same'2004 6,682,625'Method and apparatus for manufacturing profiles and laminates'2004 6,647,885'Marking system, marking method and marking apparatus'2003 6,519,831'Progressive processing device'2003 6,505,942'Anti-reflection material, polarization film, and production methods therefor'2003 6,383,558'Method for forming monolayer powder film'2002 6,261,665'Anti-reflection material and method for producing the same'2001 6,074,741'Antiglare material and polarizing film using the same'2000 6,003,359'Progressive deep-drawing machine'1999 5,886,819'Antiglare material and polarizing film by using the same'1999 5,746,857'Semi-transmissive semi-reflective film laminate and a method of production therefor'1998 5,678,446'Index-feed machining system'1997 5,638,105'Erasing method for image recorded on reversible heat-sensitive recording medium'1997 5,613,396'Index-feed machining system'1997 5,526,668'Index-feed machining system'1996 5,473,926'Index-feed machining system'1995 5,330,409'Cassette changing apparatus for index-feeding machining systems'1994 5,273,950'Reversible heat-sensitive recording medium'1993 5,089,372'Transfer recording medium utilizing diazo or azide compounds wherein light energy is converted to heat energy'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992–2004Patents assigned to TOMOEGAWA PAPER CO LTD (11)· patent assignee history

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

1994–1999Patents assigned to INST TECH PRECISION ENG (5)· patent assignee history

1994–1997Based in Kawasaki, JP· patent location history

1999–2004Based in Kawasak, JP· patent location history

2003–2005Patents assigned to INST TECH PREC ELECT DISCHARGE (3)· patent assignee history

2003–2005Based in Yokohama, JP· patent location history

2014–2015Patents assigned to MURATA CHIKARA (2)· patent assignee history

2015–2020Based in Zama, JP· patent location history

2017–2020Patents assigned to HODEN SEIMITSU KAKO KENKYUSHO CO LTD (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
TOMOEGAWA PAPER CO LTD	11	1992–2004
INST TECH PRECISION ENG	5	1994–1999
HODEN SEIMITSU KAKO KENKYUSHO CO LTD	3	2017–2020
INST TECH PREC ELECT DISCHARGE	3	2003–2005
MURATA CHIKARAself	2	2014–2015

Locations

Location	Patents	Span
Shizuoka, JP	12	1992–2014
Kawasaki, JP	5	1994–1997
Zama, JP	4	2015–2020
Yokohama, JP	2	2003–2005
Kawasak, JP	2	1999–2004