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Inventor

Kazuyuki Akiyama

Inventor
Chiba, JP

Overview

4→
Patents
1994–2003
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 4 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 liquids29%
F01CRotary-piston or oscillating-piston machines or engines14%
F16KValves14%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light14%
G03DApparatus for processing exposed photographic materials14%
Y10TTechnical subjects covered by former us classification14%
PatentTitleYear
6,664,777'Photometric apparatus and photometric method'20035,805,949'Photosensitive material processing apparatus'19985,516,267'Scroll compressor having a pressure relief mechanism using an oldham coupling'19965,346,375'Delivery valve for a scroll compressor'1994

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994–1996Patents assigned to MITSUBISHI ELECTRIC CORP (2)· patent assignee history
1994Based in Tokyo, JP· patent location history
1996Based in Shizuoka, JP· patent location history
1998Patents assigned to FUJI PHOTO FILM CO LTD (1)· patent assignee history
1998Based in Kanagawa, JP· patent location history
2003Patents assigned to SEIKO PRECISION KK (1)· patent assignee history
2003Based in Chiba, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MITSUBISHI ELECTRIC CORP21994–1996
FUJI PHOTO FILM CO LTD11998
SEIKO PRECISION KK12003
Locations
LocationPatentsSpan
Chiba, JP12003
Kanagawa, JP11998
Shizuoka, JP11996
Tokyo, JP11994