Inventor

Yukuya Tokumaru

Inventor

Yokohama, JP

Overview

1977–1984

Patent span

Electricity

Primary field (CPC H)

Patents· 14 as inventor

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

H10Dprimary

H10DInorganic electric semiconductor devices42%

H03KPulse technique19%

H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1012%

G01RMeasuring electric variables8%

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

G01DMeasuring not specially adapted for a specific variable4%

G01KMeasuring temperature4%

H03MCoding4%

PatentTitleYear

4,489,247'Integrated injection logic circuit with test pads on injector common line'1984 4,459,606'Integrated injection logic semiconductor devices'1984 4,260,906'Semiconductor device and logic circuit constituted by the semiconductor device'1981 4,172,384'Temperature measuring apparatus'1979 4,153,487'Method of manufacturing intergrated injection logic semiconductor devices utilizing self-aligned double-diffusion techniques'1979 4,151,019'Method of manufacturing integrated injection logic semiconductor devices utilizing self-aligned double-diffusion techniques'1979 4,119,998'Integrated injection logic with both grid and internal double-diffused injectors'1978 4,110,634'Gate circuit'1978 4,091,296'Semiconductor R-S flip-flop circuit'1978 4,071,774'Integrated injection logic with both fan in and fan out Schottky diodes, serially connected between stages'1978 4,065,187'Semiconductor latch circuit using integrated logic units and Schottky diode in combination'1977 4,064,526'I.I.L. with graded base inversely operated transistor'1977 4,058,419'Method of manufacturing integrated injection logic semiconductor devices utilizing self-aligned double-diffusion techniques'1977 4,054,900'I.I.L. with region connecting base of double diffused injector to substrate/emitter of switching transistor'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1984Patents assigned to TOKYO SHIBAURA ELECTRIC CO (14)· patent assignee history

1977–1984Based in Yokohama, JP· patent location history

1984Based in Yokosuka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
TOKYO SHIBAURA ELECTRIC CO	14	1977–1984

Locations

Location	Patents	Span
Yokohama, JP	13	1977–1984
Yokosuka, JP	1	1984