Inventor
Kazuaki Iizuka
Inventor
Tokyo, JP
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Gprimary
G03GElectrography33%
H04NPictorial communication, e.g. television17%
B41JTypewriters11%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%
A63BApparatus for physical training, gymnastics, swimming, climbing, or fencing6%
G01DMeasuring not specially adapted for a specific variable6%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them6%
G06KGraphical data reading6%
Y10TTechnical subjects covered by former us classification6%
PatentTitleYear
10,953,286Golf ball20215,521,679'Image forming apparatus having clamp for conveying a recording medium'19965,315,323'Color image forming apparatus with means for biasing a recording head'19945,264,273'Structure of a recording medium for an electrostatic recorder'19935,245,396'Color image forming apparatus for use with a recording medium having a laterally extending registration mark'19935,202,534'Developing apparatus using a liquid developer and having a system for cleaning the development region with a vacuum pressure'19935,172,180'Image forming equipment with variable stepwise drive means operation'19924,968,134'Overhead projector'1990Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1990–1996Patents assigned to RICOH KK (7)· patent assignee history
1990–1996Based in Tokyo, JP· patent location history
2021Patents assigned to BRIDGESTONE SPORTS CO LTD (1)· patent assignee history
2021Based in Saitama, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| RICOH KK | 7 | 1990–1996 |
| BRIDGESTONE SPORTS CO LTD | 1 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 7 | 1990–1996 |
| Saitama, JP | 1 | 2021 |