Inventor
Yukihiro Maekawa
Inventor
Yokohama, JP
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C22Cprimary
C22CAlloys14%
F16HGearing14%
B21BRolling of metal9%
B22FWorking metallic powder9%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables9%
F01LCyclically operating valves for machines or engines9%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy9%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution9%
Y02PClimate change mitigation technologies in the production or processing of goods9%
Y10TTechnical subjects covered by former us classification9%
PatentTitleYear
8,247,137'Fuel cell and production of fuel cell stack'20127,981,572'Fuel cell and production of fuel cell stack'20117,309,465'Sintered sprocket for silent chain and production method therefor'20077,041,149'Sintered sprocket for silent chain and production method therefor'20066,488,736'Method of producing sintered metal sprocket and sprocket produced by the method'20025,325,692'Method of controlling transverse shape of rolled strip, based on tension distribution'19944,907,434'Method and device for controlling strip thickness in rolling mills'1990Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1990–1994Patents assigned to SUMITOMO LIGHT METAL IND (2)· patent assignee history
1990–1994Based in Nagoya, JP· patent location history
2002–2012Patents assigned to NISSAN MOTOR (4)· patent assignee history
2002–2007Patents assigned to HITACHI POWDERED METALS (3)· patent assignee history
2002–2012Based in Yokohama, JP· patent location history
2012Patents assigned to EGUCHI KAORU (1)· patent assignee history
2012Patents assigned to FUJIKI AKIRA (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NISSAN MOTOR | 4 | 2002–2012 |
| HITACHI POWDERED METALS | 3 | 2002–2007 |
| SUMITOMO LIGHT METAL IND | 2 | 1990–1994 |
| EGUCHI KAORU | 1 | 2012 |
| FUJIKI AKIRA | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yokohama, JP | 5 | 2002–2012 |
| Nagoya, JP | 2 | 1990–1994 |