Inventor

Yasuo Shibata

Inventor

Tokyo, JP

Overview

21→

Patents

1980–2021

Patent span

Physics

Primary field (CPC G)

Patents· 21 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 therein20%

H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light17%

B60QArrangement of signalling or lighting devices, the mounting or supporting thereof or circuits therefor, for vehicles in general9%

G02BOptical elements, systems or apparatus9%

B62JCycle saddles or seats6%

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

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds3%

C22CAlloys3%

F16CShafts3%

G01DMeasuring not specially adapted for a specific variable3%

PatentTitleYear

10,979,061Analog-digital conversion device2021 8,030,419'Process for producing polymer for semiconductor lithography'2011 7,738,520'Optical semiconductor device and optical semiconductor integrated circuit'2010 7,474,817'Optical semiconductor device and optical semiconductor integrated circuit'2009 7,471,864'Optical semiconductor device and optical semiconductor integrated circuit'2008 7,262,905'Optical amplifier'2007 7,221,500'Optical amplifier'2007 7,114,396'Pressure sensor'2006 7,088,501'Optical amplifier'2006 6,961,169'Light-controlled light modulator'2005 6,753,996'Light-controlled light modulator'2004 6,692,152'Supporting structure for motor rotor'2004 6,131,840'Mechanism for preventing uneven take-up of tape'2000 5,444,802'Optical switch'1995 5,142,513'Magneto-optical storage medium and magneto-optical overwrite system with magnetic characteristic change by variation of thermal condition for recording information'1992 4,704,326'Tin alloys for recording media'1987 4,660,020'Turn signal cancelling apparatus for use in vehicles'1987 4,644,318'Automatic direction indicator cancelling apparatus'1987 4,403,211'Automatic turn-signal cancelling system'1983 4,264,125'Transmissive surface layer effect electro-optic device for use in optical modulators and the like'1981 4,233,611'Recording head for electrostatic printing apparatus'1980

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981–2010Based in Tokyo, JP· patent location history

1983–1987Patents assigned to HONDA MOTOR CO LTD (3)· patent assignee history

1987–1992Patents assigned to VICTOR COMPANY OF JAPAN (2)· patent assignee history

1987–1992Based in Sagamihara, JP· patent location history

1987Based in Saitama, JP· patent location history

1995–2010Patents assigned to NIPPON TELEGRAPH & TELEPHONE (9)· patent assignee history

2000Patents assigned to COPAL CO LTD (1)· patent assignee history

2004–2005Based in Kanagawa, JP· patent location history

2006–2021Patents assigned to DENSO CORP (2)· patent assignee history

2021Based in Kariya, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
NIPPON TELEGRAPH & TELEPHONE	9	1995–2010
HONDA MOTOR CO LTD	3	1983–1987
DENSO CORP	2	2006–2021
VICTOR COMPANY OF JAPAN	2	1987–1992
COPAL CO LTD	1	2000

Locations

Location	Patents	Span
Tokyo, JP	9	1981–2010
Kanagawa, JP	2	2004–2005
Sagamihara, JP	2	1987–1992
Saitama, JP	2	1987
Kariya, JP	1	2021