Inventor
Kazuhiko Tezuka
Inventor
Osaka, JP
Overview
Patents· 3 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 them40%
G03GElectrography40%
E21BEarth or rock drilling20%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1990–1991Patents assigned to MINOLTA CAMERA KK (2)· patent assignee history
1990–1991Based in Osaka, JP· patent location history
2008Patents assigned to JAPAN PETROLEUM EXPLORATION CO (1)· patent assignee history
2008Based in Ichihara, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MINOLTA CAMERA KK | 2 | 1990–1991 |
| JAPAN PETROLEUM EXPLORATION CO | 1 | 2008 |
Locations
| Location | Patents | Span |
|---|---|---|
| Osaka, JP | 2 | 1990–1991 |
| Ichihara, JP | 1 | 2008 |