Inventor

Takashige Tamamushi

Inventor

Sendai, JP

Overview

37→

Patents

1983–1997

Patent span

Electricity

Primary field (CPC H)

Patents· 37 as inventor

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

H10Fprimary

H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation44%

H10DInorganic electric semiconductor devices26%

H04NPictorial communication, e.g. television15%

H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems4%

H03KPulse technique4%

G05FSystems for regulating electric or magnetic variables2%

G11CStatic stores2%

H10BElectronic memory devices2%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests2%

PatentTitleYear

5,682,044'Reverse conducting thyristor with a planar-gate, buried-gate, or recessed-gate structure'1997 5,665,987'Insulated gate static induction thyristor with a split gate type shorted cathode structure'1997 5,545,905'Static induction semiconductor device with a static induction schottky shorted structure'1996 5,461,242'Insulated gate static induction thyristor with a split gate type shorted cathode structure'1995 5,418,376'Static induction semiconductor device with a distributed main electrode structure and static induction semiconductor device with a static induction main electrode shorted structure'1995 5,352,910'Semiconductor device with a buffer structure'1994 5,324,966'MOS-controlled thyristor'1994 5,065,206'Photoelectric converting device with accumulating gate region'1991 5,021,936'PWM power converter using mixed bipolar and static induction transistors'1991 5,017,991'Light quenchable thyristor device'1991 4,956,599'Power control apparatus'1990 4,952,996'Static induction and punching-through photosensitive transistor devices'1990 4,914,043'Method of making an integrated light-triggered and light-quenched static induction thyristor'1990 4,891,682'Solid state image pick-up device having a number of static induction transistor image sensors'1990 4,866,500'Integrated light-triggered and light-quenched static induction thyristor and making method thereof'1989 4,791,396'Color image sensor'1988 4,725,873'Semiconductor imaging device'1988 4,719,499'Semiconductor imaging device'1988 4,719,551'Optically controlled power converting apparatus'1988 4,686,555'Solid state image sensor'1987 4,684,966'Static induction transistor photodetector having a deep shielding gate region'1987 4,651,015'Semiconductor imaging device utilizing static induction transistors'1987 4,651,180'Semiconductor photoelectric transducer'1987 4,626,916'Solid state image pickup device'1986 4,623,909'Semiconductor photodetector'1986 4,593,320'Two-dimensional solid-state image pickup device'1986 4,587,562'Solid state image pick-up device'1986 4,574,310'One-dimensional semiconductor imaging device'1986 4,571,624'Two-dimensional solid-state image sensor device'1986 4,536,946'Method for fabricating semiconductor photodetector'1985 4,531,156'Solid state image pickup device'1985 4,525,742'Two-dimensional solid-state image sensor device'1985 4,524,391'Two-dimensional solid-state image sensor device'1985 4,502,203'Method for fabricating semiconductor photodetector'1985 4,499,654'Method for fabricating semiconductor photodetector'1985 4,454,526'Semiconductor image sensor and the method of operating the same'1984 4,408,304'Semiconductor memory'1983

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983–1991Based in Sendai, JP· patent location history

1985–1991Patents assigned to NISHIZAWA JUNICHI (16)· patent assignee history

1985–1990Patents assigned to OLYMPUS OPTICAL CO (5)· patent assignee history

1985–1988Based in Miyagi, JP· patent location history

1988–1991Patents assigned to ZAIDAN HOJIN HANDOTAI KENKYU (6)· patent assignee history

1988–1997Patents assigned to TAMAMUSHI TAKASHIGE (4)· patent assignee history

1994–1997Patents assigned to TOYO ELECTRIC MFG CO LTD (6)· patent assignee history

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

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
NISHIZAWA JUNICHI	16	1985–1991
TOYO ELECTRIC MFG CO LTD	6	1994–1997
ZAIDAN HOJIN HANDOTAI KENKYU	6	1988–1991
OLYMPUS OPTICAL CO	5	1985–1990
TAMAMUSHI TAKASHIGEself	4	1988–1997

Locations

Location	Patents	Span
Sendai, JP	22	1983–1991
Miyagi, JP	8	1985–1988
Tokyo, JP	7	1994–1997