Inventor
Tadashi Kiyokawa
Inventor
Fukui, JP
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B22Fprimary
B22FWorking metallic powder11%
C01BNon-metallic elements11%
C22CAlloys11%
H01CResistors11%
H01HElectric switches11%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy11%
H05KPrinted circuits11%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution11%
F16CShafts6%
Y10TTechnical subjects covered by former us classification6%
PatentTitleYear
6,447,167'Hydrodynamic bearing, hydrodynamic bearing apparatus'20026,306,339'Method for manufacturing hydrogen storage material'20016,143,052'Hydrogen storage material'20005,961,808'Metal film resistor having fuse function and method for producing the same'19995,863,407'Metal film resistor having fuse function and method for producing the same'1999Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1999Patents assigned to KYOKAWA MEKKI KOGYO KK (2)· patent assignee history
1999–2002Based in Fukui, JP· patent location history
2000–2001Patents assigned to KIYOKAWA PLATING IND CO LTD (2)· patent assignee history
2002Patents assigned to KIYOKAWA PLATING INDUSTRY CO L (1)· patent assignee history
2002Patents assigned to SEIKO INSTR INC (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| KIYOKAWA PLATING IND CO LTD | 2 | 2000–2001 |
| KYOKAWA MEKKI KOGYO KK | 2 | 1999 |
| KIYOKAWA PLATING INDUSTRY CO L | 1 | 2002 |
| SEIKO INSTR INC | 1 | 2002 |
Locations
| Location | Patents | Span |
|---|---|---|
| Fukui, JP | 5 | 1999–2002 |