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Inventor

Akihiko Satou

Inventor
Maebashi, JP

Overview

3→
Patents
1989–2009
Patent span
Performing operations
Primary field (CPC B)

Patents· 3 as inventor

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

B01Jprimary
B01JChemical or physical processes, e.g. catalysis or colloid chemistry20%
C23CCoating metallic material20%
F04DNon-positive-displacement pumps20%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests20%
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material10%
Y10TTechnical subjects covered by former us classification10%
PatentTitleYear
7,568,272'Press-forming method, press-forming machine and press-formed product'20095,062,771'Vacuum system with a secondary gas also connected to the roughing pump for a semiconductor processing chamber'19914,835,114'Method for LPCVD of semiconductors using oil free vacuum pumps'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–1991Patents assigned to HITACHI LTD (2)· patent assignee history
1989–1991Patents assigned to HITACHI TOKYO ELECTRONICS (2)· patent assignee history
1989–1991Based in Maebashi, JP· patent location history
2009Patents assigned to NISSAN MOTOR (1)· patent assignee history
2009Based in Yokohama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD21989–1991
HITACHI TOKYO ELECTRONICS21989–1991
NISSAN MOTOR12009
Locations
LocationPatentsSpan
Maebashi, JP21989–1991
Yokohama, JP12009