Inventor

Hisao Takahashi

Inventor

Kanagawa, JP

Overview

20→

Patents

1976–2015

Patent span

Electricity

Primary field (CPC H)

Patents· 20 as inventor

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

G01Rprimary

G01RMeasuring electric variables9%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein9%

H03KPulse technique9%

C10GCracking hydrocarbon oils6%

G11BInformation storage based on relative movement between record carrier and transducer6%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%

B29CShaping or joining of plastics3%

B29DProducing particular articles from plastics or from substances in a plastic state3%

B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts3%

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form3%

PatentTitleYear

9,204,572'Heat radiation arrangement'2015 7,583,460'Edge controlled fast data pattern generator'2009 7,428,743'In-vehicle player'2008 7,308,695'Disk holding member, disk tray, recording and/or reproducing device, and disk changer'2007 7,215,168'Widening jitter margin for faster input pulse'2007 6,998,893'Circuit and method for inducing jitter to a signal'2006 6,295,102'Liquid-crystal shutter'2001 5,771,207'Time switch'1998 5,250,140'Device having raised side edge portions for heat-sealing tubular packaging material'1993 5,029,985'Multilayer liquid crystal display device'1991 5,011,201'Front structure of vehicle body'1991 4,930,876'Liquid crystal display device'1990 4,792,682'Pyroelectric infrared temperature compensated detector'1988 4,776,032'Repeater for a same frequency with spillover measurement'1988 4,629,928'Electrode terminal structure for a piezoelectric polymer'1986 4,617,231'Electroconductive film and process for production thereof'1986 4,324,598'Finish annealing process for grain-oriented electrical steel strip or sheet'1982 4,224,108'Decoking apparatus'1980 4,196,050'Decoking apparatus'1980 3,980,748'Production of polyethylene terephthalate film having improved resistance to cleavage'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980–1986Patents assigned to KUREHA CHEMICAL IND CO LTD (4)· patent assignee history

1986Based in Iwaki, JP· patent location history

1988–1993Based in Tokyo, JP· patent location history

1990–2001Patents assigned to RICOH KK (3)· patent assignee history

1990–1991Based in Atsugi, JP· patent location history

2001–2009Based in Kanagawa, JP· patent location history

2006–2009Patents assigned to TEKTRONIX INT SALES GMBH (3)· patent assignee history

2007–2008Patents assigned to FUKOKU KK (2)· patent assignee history

2007–2008Patents assigned to SONY CORP (2)· patent assignee history

2007–2008Based in Saitama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
KUREHA CHEMICAL IND CO LTD	4	1980–1986
RICOH KK	3	1990–2001
TEKTRONIX INT SALES GMBH	3	2006–2009
FUKOKU KK	2	2007–2008
SONY CORP	2	2007–2008

Locations

Location	Patents	Span
Kanagawa, JP	4	2001–2009
Saitama, JP	2	2007–2008
Tokyo, JP	2	1988–1993
Atsugi, JP	2	1990–1991
Iwaki, JP	2	1986