Inventor

Toshitsugu Ishii

Inventor
Gunma, JP

Overview

14→
Patents
1982–2021
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.

G01Rprimary
G01RMeasuring electric variables14%
H01LSemiconductor devices14%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1014%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1014%
A01GHorticulture7%
Y02PClimate change mitigation technologies in the production or processing of goods7%
C01BNon-metallic elements5%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds5%
G01NInvestigating or analysing materials by determining their chemical or physical properties5%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1982–1992Patents assigned to MITSUBISHI ELECTRIC CORP (5)· patent assignee history
1986–1992Based in Hyogo, JP· patent location history
1990–1991Patents assigned to TOSHIBA CERAMICS CO (2)· patent assignee history
1990–1991Based in Chita, JP· patent location history
2016–2020Patents assigned to RENESAS ELECTRONICS CORP (6)· patent assignee history
2016–2020Based in Gunma, JP· patent location history
2017–2018Based in Ibaraki, JP· patent location history
2021Patents assigned to NSK LTD (1)· patent assignee history
2021Based in Maebashi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
RENESAS ELECTRONICS CORP62016–2020
MITSUBISHI ELECTRIC CORP51982–1992
TOSHIBA CERAMICS CO21990–1991
NSK LTD12021
Locations
LocationPatentsSpan
Gunma, JP32016–2020
Hyogo, JP31986–1992
Ibaraki, JP22017–2018
Chita, JP21990–1991
Maebashi, JP12021