LexDanaLexDanabeta
Inventor

Kohichi Yamaguchi

Inventor
Hachioji, JP

Overview

8→
Patents
1987–2002
Patent span
Electricity
Primary field (CPC H)

Patents· 8 as inventor

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

H04Nprimary
H04NPictorial communication, e.g. television50%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them25%
C23CCoating metallic material13%
F16MFrames, casings or beds of engines, machines or apparatus, not specific to engines, machines or apparatus provided for elsewhere13%
PatentTitleYear
6,335,808'Image reading apparatus'20026,023,347'Scanner for scanning photographic images'20005,933,222'Film scanner'19995,757,420'Photographic image processing apparatus'19985,748,287'Photographic film reproducing apparatus using object brightness and exposure correction amount to develop photographed images'19985,043,750'Tripod for use with a camera'19914,996,549'Film feeding control device for camera'19914,656,052'Process for production of high-hardness boron nitride film'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987Patents assigned to KYOCERA CORP (1)· patent assignee history
1987Based in Kagoshima, JP· patent location history
1991–2002Patents assigned to KONISHIROKU PHOTO IND (7)· patent assignee history
1991–2000Based in Hachioji, JP· patent location history
1991–2002Based in Tokyo, JP· patent location history
1999–2002Patents assigned to SEIKO EPSON CORP (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KONISHIROKU PHOTO IND71991–2002
SEIKO EPSON CORP31999–2002
KYOCERA CORP11987
Locations
LocationPatentsSpan
Hachioji, JP51991–2000
Tokyo, JP21991–2002
Kagoshima, JP11987