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Inventor

Yasuo Sonobe

Inventor
Kokubunji, JP

Overview

2→
Patents
1986–2007
Patent span
Performing operations
Primary field (CPC B)

Patents· 2 as inventor

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

B82Yprimary
B82YSpecific uses or applications of nanostructures33%
G01NInvestigating or analysing materials by determining their chemical or physical properties33%
H10DInorganic electric semiconductor devices33%
PatentTitleYear
7,205,617'Semiconductor device including active regions and gate electrodes for field effect transistors, with a trench formed between the active regions'20074,615,622'Process for detecting resident air in a liquid charged receptacle and apparatus therefor'1986

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986Patents assigned to EISAI CO LTD (1)· patent assignee history
1986Based in Misato, JP· patent location history
2007Patents assigned to RENESAS TECH CORP (1)· patent assignee history
2007Based in Kokubunji, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
EISAI CO LTD11986
RENESAS TECH CORP12007
Locations
LocationPatentsSpan
Kokubunji, JP12007
Misato, JP11986