Inventor
Ken Kawamura
Inventor
Shiga, JP
Overview
Patents· 22 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H10Dprimary
H10DInorganic electric semiconductor devices20%
LOCD117%
B41CProcesses for the manufacture or reproduction of printing surfaces13%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices13%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests13%
B41NPrinting plates or foils7%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h107%
A47CChairs3%
B60NSeats specially adapted for vehicles3%
G01GWeighing3%
PatentTitleYear
6,964,841'Directly imageable waterless planographic printing plate precursor'20056,787,291'Directly imageable planographic printing plate and production method thereof'20046,194,122'Directly imageable waterless planographic printing plate'20016,106,997'Plate for waterless lithographic'20006,096,476'Direct drawing type waterless planographic original form plate'20005,811,210'Water-less lithographic raw plate'19985,397,681'Laminate used for the production of a dry planographic printing plate'19955,191,401'MOS transistor with high breakdown voltage'19935,176,424'Automobile seat assembly'19935,108,944'Method of manufacturing a semiconductor device'19925,075,754'Semiconductor device having improved withstanding voltage characteristics'19915,008,724'Semiconductor device'1991D0312451'Word processor'19904,957,845'Printing plate'19904,878,096'Semiconductor device IC with DMOS using self-aligned back gate region'19894,707,720'Semiconductor memory device'1987D0277170'Combined time recorder and data collection system'1985D0266253'Photocopying machine'1982D0266254'Photocopying machine'1982D0263396'Desk type business computer'1982D0251294'Video tape recorder'1979D0243630'Radio receiver'1977Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1977–1990Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (7)· patent assignee history
1977–1982Based in Ibaragi, JP· patent location history
1987–1993Patents assigned to TOSHIBA KK (6)· patent assignee history
1987–1993Based in Yokohama, JP· patent location history
1990–2005Patents assigned to TORAY INDUSTRIES (8)· patent assignee history
1990–2004Based in Shiga, JP· patent location history
1993Patents assigned to MAZDA MOTOR (1)· patent assignee history
1993Based in Hiroshima, JP· patent location history
2005Based in Echi-gun, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TORAY INDUSTRIES | 8 | 1990–2005 |
| MATSUSHITA ELECTRIC INDUSTRIAL CO LTD | 7 | 1977–1990 |
| TOSHIBA KK | 6 | 1987–1993 |
| MAZDA MOTOR | 1 | 1993 |
Locations
| Location | Patents | Span |
|---|---|---|
| Shiga, JP | 7 | 1990–2004 |
| Yokohama, JP | 6 | 1987–1993 |
| Ibaragi, JP | 5 | 1977–1982 |
| Echi-gun, JP | 1 | 2005 |
| Hiroshima, JP | 1 | 1993 |