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Inventor

Hisashi Hamada

Inventor
Tokyo, JP

Overview

20→
Patents
1988–2012
Patent span
Physics
Primary field (CPC G)

Patents· 20 as inventor

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

G03Bprimary
G03BApparatus or arrangements for taking photographs or for projecting or viewing them65%
G02BOptical elements, systems or apparatus13%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%
G01RMeasuring electric variables4%
G06KGraphical data reading4%
H04LTransmission of digital information, e.g. telegraphic communication4%
PatentTitleYear
8,271,580'Mobile communication network system and server apparatus'20126,208,812'Camera with bar code reader'20016,061,525'Camera and focussing method for the same'20006,052,538'Camera and exposure control method'20006,050,489'Bar code system for brownie film and bar code reader of camera'20006,052,536'Camera'20006,035,146'Film transport in camera capable of switching picture size'20006,028,658'Film viewer'20006,026,250'Camera, bar code reader for camera and method of detecting bar code reading error'20005,918,083'Camera for use with a roll photo film'19995,903,337'Film viewer'19995,819,120'Variable focus lens device in camera'19984,792,762'Battery check system'19884,786,929'Single lens reflex camera'19884,771,302'Camera with orientable taking lens and a device for attaching a flash unit'19884,751,546'Display device for cameras'19884,723,141'Camera having a provision for multiple exposures'19884,720,718'Reflex camera'19884,720,719'Film wind-up apparatus'19884,720,721'Film wind-up control apparatus for a camera'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–2001Patents assigned to FUJI PHOTO FILM CO LTD (19)· patent assignee history
1988–2012Based in Tokyo, JP· patent location history
1998–2000Based in Asaka, JP· patent location history
1999–2001Patents assigned to FUJI PHOTO OPTICAL CO LTD (7)· patent assignee history
1999–2001Based in Saitama, JP· patent location history
2012Patents assigned to HAMADA HISASHI (1)· patent assignee history
2012Patents assigned to NAKAMURA TOMONORI (1)· patent assignee history
2012Patents assigned to NTT DOCOMO INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FUJI PHOTO FILM CO LTD191988–2001
FUJI PHOTO OPTICAL CO LTD71999–2001
HAMADA HISASHIself12012
NAKAMURA TOMONORI12012
NTT DOCOMO INC12012
Locations
LocationPatentsSpan
Tokyo, JP91988–2012
Saitama, JP61999–2001
Asaka, JP51998–2000