LexDanaLexDanabeta
Inventor

Yasuhiro Ohshima

Inventor
Tochigi, JP

Overview

7→
Patents
1998–2002
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 7 as inventor

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

F04Cprimary
F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids44%
F01CRotary-piston or oscillating-piston machines or engines22%
G04CElectromechanical clocks or watches22%
G06KGraphical data reading11%
PatentTitleYear
6,406,279'Displacement type fluid machine'20026,312,237'Displacement type fluid machine'20016,220,841'Displacement type fluid machine'20016,213,743'Displacement type fluid machine'20016,009,245'Serial printer, and image buffer access method for serial printer'19995,822,278'Electronic timepiece and method of charging the same'19985,740,132'Electronic timepiece and method of charging the same'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998–1999Patents assigned to SEIKO EPSON CORP (3)· patent assignee history
1998Based in Suwa, JP· patent location history
1999Based in Nagano, JP· patent location history
2001–2002Patents assigned to HITACHI LTD (4)· patent assignee history
2001–2002Based in Tochigi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD42001–2002
SEIKO EPSON CORP31998–1999
Locations
LocationPatentsSpan
Tochigi, JP42001–2002
Suwa, JP21998
Nagano, JP11999