Inventor
Hajime Kohama
Inventor
Yokohama, JP
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H05Kprimary
H05KPrinted circuits14%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1014%
Y10TTechnical subjects covered by former us classification14%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form10%
C04BLime, magnesia10%
C23CCoating metallic material10%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests10%
B22FWorking metallic powder5%
D03CShedding mechanisms5%
D03DWoven fabrics5%
PatentTitleYear
4,908,261'Non-ferrous metal mechanical part'19904,853,284'Mechanical part'19894,849,292'Method for directly bonding ceramic and metal members and laminated body of the same'19894,822,662'Machine parts with wear-resistant surface brought into contact with elongated fibrous member'19894,693,409'Method for directly bonding ceramic and metal members and laminated body of the same'19874,540,462'Substrate for semiconductor modules and method of manufacture'1985Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1985–1989Patents assigned to TOKYO SHIBAURA ELECTRIC CO (2)· patent assignee history
1985Based in Kanagawa, JP· patent location history
1987Patents assigned to TOKYO SHIBARUA DENKI KABUSHIKI (1)· patent assignee history
1987–1990Based in Yokohama, JP· patent location history
1989–1990Patents assigned to TOSHIBA KK (3)· patent assignee history
1989Patents assigned to NOTOSHITI CORP (1)· patent assignee history
1989Patents assigned to YANO KOUSAKUJO CORP (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TOSHIBA KK | 3 | 1989–1990 |
| TOKYO SHIBAURA ELECTRIC CO | 2 | 1985–1989 |
| NOTOSHITI CORP | 1 | 1989 |
| TOKYO SHIBARUA DENKI KABUSHIKI | 1 | 1987 |
| YANO KOUSAKUJO CORP | 1 | 1989 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yokohama, JP | 5 | 1987–1990 |
| Kanagawa, JP | 1 | 1985 |