Inventor
Keiji Kamio
Inventor
Hitachi, JP
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Gprimary
G03GElectrography45%
G06FElectric digital data processing27%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests18%
B41JTypewriters9%
PatentTitleYear
6,606,472'Method and apparatus for forming color image'20036,184,909'Recording apparatus with rotatable liquid developer units enabling agitation of liquid developer'20016,125,250'Developing device, developing method, and an image forming apparatus'20006,101,355'Liquid development apparatus'20006,069,641'Ion flow recording apparatus and liquid developing method'20005,805,125'Portable information processing apparatus and liquid crystal display device'19985,483,253'Portable information processing apparatus and liquid crystal display device'19964,948,283'Apparatus for processing and printing document'1990Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1990–2003Patents assigned to HITACHI LTD (8)· patent assignee history
1990Patents assigned to HITACHI TAGA MOTOR KK (1)· patent assignee history
1990–2003Based in Hitachi, JP· patent location history
1998Based in Hatachi, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 8 | 1990–2003 |
| HITACHI TAGA MOTOR KK | 1 | 1990 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hitachi, JP | 7 | 1990–2003 |
| Hatachi, JP | 1 | 1998 |