Inventor

Tsuyoshi Shibuya

Inventor
Komoro, JP

Overview

13→
Patents
1987–2006
Patent span
Electricity
Primary field (CPC H)

Patents· 13 as inventor

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

H03Gprimary
H03GControl of amplification28%
H03FAmplifiers16%
H02NElectric machines not otherwise provided for13%
H04BTransmission13%
H10DInorganic electric semiconductor devices13%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1013%
H04WWireless communication networks3%
H10NElectric solid-state devices not otherwise provided for3%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–1989Patents assigned to TOKYO JUKI INDUSTRIAL CO LTD (4)· patent assignee history
1987–1989Based in Chofu, JP· patent location history
1988–2006Based in Tokyo, JP· patent location history
1996–2006Patents assigned to HITACHI TOBU SEMICONDUCTOR LTD (5)· patent assignee history
1996–2004Patents assigned to HITACHI LTD (4)· patent assignee history
1996–2006Based in Komoro, JP· patent location history
2004–2006Patents assigned to RENESAS TECH CORP (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI TOBU SEMICONDUCTOR LTD51996–2006
HITACHI LTD41996–2004
TOKYO JUKI INDUSTRIAL CO LTD41987–1989
RENESAS TECH CORP32004–2006
Locations
LocationPatentsSpan
Komoro, JP51996–2006
Tokyo, JP51988–2006
Chofu, JP31987–1989