Inventor
Hiroomi Kozawa
Inventor
Ibaraki, JP
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B41Jprimary
B41JTypewriters27%
G03GElectrography27%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables9%
F16CShafts9%
G06KGraphical data reading9%
H02KDynamo-electric machines9%
H04NPictorial communication, e.g. television9%
PatentTitleYear
6,328,418'Print head having array of printing elements for printer'20014,926,200'Electrophotographic printer'19904,475,807'Cleaning apparatus for xerographic printing apparatus'19844,469,453'Rotary multi-mirror driving motor'19844,443,091'Yoke mechanism of electrophotographic printing apparatus'19844,368,666'Method and circuit arrangement for controlling print timing in a printing apparatus'19834,228,938'Paper feed control system in a printer'1980Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1980–2001Patents assigned to HITACHI KOKI KK (6)· patent assignee history
1980–1983Based in Katsuta, JP· patent location history
1984Based in Ibaraki, JP· patent location history
1990Patents assigned to KATAGIRI SHIGENOBU (1)· patent assignee history
1990Patents assigned to KOZAWA HIROOMI (1)· patent assignee history
1990Patents assigned to OHYAMA MINEO (1)· patent assignee history
1990Patents assigned to YAMADA KOUTARO (1)· patent assignee history
1990Based in Ibaraki-shi, JP· patent location history
2001Based in Hitachinaka, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI KOKI KK | 6 | 1980–2001 |
| KATAGIRI SHIGENOBU | 1 | 1990 |
| KOZAWA HIROOMIself | 1 | 1990 |
| OHYAMA MINEO | 1 | 1990 |
| YAMADA KOUTARO | 1 | 1990 |
Locations
| Location | Patents | Span |
|---|---|---|
| Ibaraki, JP | 3 | 1984 |
| Katsuta, JP | 2 | 1980–1983 |
| Hitachinaka, JP | 1 | 2001 |
| Ibaraki-shi, JP | 1 | 1990 |