Inventor

Kotaro Kato

Inventor

Tokyo, JP

Overview

11→

Patents

1976–2016

Patent span

Electricity

Primary field (CPC H)

Patents· 11 as inventor

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

H10Dprimary

H10DInorganic electric semiconductor devices16%

H04LTransmission of digital information, e.g. telegraphic communication12%

H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation8%

H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h108%

H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h108%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%

Y10TTechnical subjects covered by former us classification8%

B41NPrinting plates or foils4%

G04FTime-interval measuring4%

G04GElectronic time-pieces4%

PatentTitleYear

9,304,606'Image display system'2016 5,188,881'Thermosensitive stencil paper'1993 4,639,548'Digital communication system including an error correcting encoder/decoder and a scrambler/descrambler'1987 4,530,001'High voltage integrated semiconductor devices using a thermoplastic resin layer'1985 4,489,340'PNPN Light sensitive semiconductor switch with phototransistor connected across inner base regions'1984 4,393,573'Method of manufacturing semiconductor device provided with complementary semiconductor elements'1983 4,339,817'Clock recovery circuit for burst communications systems'1982 4,244,000'PNPN Semiconductor switches'1981 4,210,996'Trimming method for resistance value of polycrystalline silicon resistors especially used as semiconductor integrated circuit resistors'1980 4,004,162'Clock signal reproducing network for PCM signal reception'1977 3,962,860'Quartz crystal timepiece'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976Patents assigned to DAINI KK (1)· patent assignee history

1976–1987Based in Tokyo, JP· patent location history

1977–1982Patents assigned to NIPPON ELECTRIC CO (2)· patent assignee history

1980–1985Patents assigned to NIPPON TELEGRAPH & TELEPHONE (5)· patent assignee history

1980–1983Based in Chofu, JP· patent location history

1984–1985Patents assigned to OKI ELECTRIC IND CO LTD (2)· patent assignee history

1987Patents assigned to NEC CORP (1)· patent assignee history

1993Based in Sagamihara, JP· patent location history

2016Based in Sapporo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
NIPPON TELEGRAPH & TELEPHONE	5	1980–1985
NIPPON ELECTRIC CO	2	1977–1982
OKI ELECTRIC IND CO LTD	2	1984–1985
DAINI KK	1	1976
NEC CORP	1	1987

Locations

Location	Patents	Span
Tokyo, JP	6	1976–1987
Chofu, JP	3	1980–1983
Sapporo, JP	1	2016
Sagamihara, JP	1	1993