Inventor
Keiichi Koike
Inventor
Matsudo, JP
Overview
Patents· 18 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C09Kprimary
C09KMaterials for miscellaneous applications, not provided for elsewhere19%
B22CFoundry moulding7%
B41JTypewriters7%
H04LTransmission of digital information, e.g. telegraphic communication7%
H04NPictorial communication, e.g. television7%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%
B28BShaping clay or other ceramic compositions4%
B60HArrangements of heating, cooling, ventilating or other air-treating devices specially adapted for passenger or goods spaces of vehicles4%
C04BLime, magnesia4%
C22CAlloys4%
PatentTitleYear
9,699,083'Frame search processing apparatus and method'20178,902,756'Packet transfer processing device, packet transfer processing method, and packet transfer processing program'2014D0434031'Portable personal computer'20006,024,438'Ink jet printer'20005,988,790'Multiple element printer and method of adjusting thereof'19995,533,186'Image filing method based on symbol retrieval condition'19965,237,401'Color image reading apparatus including color correction means'19935,070,267'Low-noise electric motor assembly for automotive blower'19914,659,526'Slip casting forming method and mold'19874,585,573'Heat storage material and process for producing the same'19864,561,493'Heat-storing apparatus'19854,518,514'Heat storage material'19854,465,611'Heat storage material'19844,415,465'Heat-storing composition'19834,412,930'Heat-storing composition'19834,196,011'Self-hardening water-soluble mold and process for producing the same'19804,037,015'Heat insulating coating material'19773,993,476'Aluminum alloy'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1987Patents assigned to HITACHI LTD (10)· patent assignee history
1976–1987Based in Matsudo, JP· patent location history
1983Patents assigned to HITACHI PLANT ENG & CONSTR CO (2)· patent assignee history
1991Patents assigned to CALSONIC CORP (1)· patent assignee history
1991–2017Based in Tokyo, JP· patent location history
1993–1999Patents assigned to MITSUBISHI ELECTRIC CORP (3)· patent assignee history
1996Based in Kamakura, JP· patent location history
2000Based in Niigata, JP· patent location history
2014–2017Patents assigned to NIPPON TELEGRAPH & TELEPHONE (2)· patent assignee history
2014Based in Yokosuka, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 10 | 1976–1987 |
| MITSUBISHI ELECTRIC CORP | 3 | 1993–1999 |
| HITACHI PLANT ENG & CONSTR CO | 2 | 1983 |
| NIPPON TELEGRAPH & TELEPHONE | 2 | 2014–2017 |
| CALSONIC CORP | 1 | 1991 |
Locations
| Location | Patents | Span |
|---|---|---|
| Matsudo, JP | 10 | 1976–1987 |
| Tokyo, JP | 4 | 1991–2017 |
| Yokosuka, JP | 1 | 2014 |
| Niigata, JP | 1 | 2000 |
| Kamakura, JP | 1 | 1996 |