Inventor
Tohru Shiraishi
Inventor
Yokohama, JP
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C22Cprimary
C22CAlloys13%
B22FWorking metallic powder9%
C22FChanging the physical structure of non-ferrous metals and non-ferrous alloys8%
C23CCoating metallic material8%
F02BInternal-combustion piston engines8%
B21FWorking or processing of metal wire6%
C21DModifying the physical structure of ferrous metals6%
F02FCylinders, pistons or casings, for combustion engines6%
Y02TClimate change mitigation technologies related to transportation6%
A61LMethods or apparatus for sterilising materials or objects in general4%
PatentTitleYear
10,359,090Compression coil spring and method for producing same201910,350,681Titanium alloy member and production method therefor201910,151,019High-strength titanium alloy member and production method for same201810,052,677Spring forming device and forming method therefor20189,920,399'Titanium alloy member and production method therefor'20189,920,403'Magnesium alloy member and production method therefor'20189,752,636'Helical compression spring and method for manufacturing same'20176,814,043'Structure of bearing housing of cylinder block'20046,432,557'Metal matrix composite and piston using the same'20026,311,665'Direct injection engine'20015,413,075'Gaseous fuel engine and air-fuel ratio control system for the engine'1995Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1995–2001Patents assigned to MAZDA MOTOR (2)· patent assignee history
1995Based in Hiroshima, JP· patent location history
2001Based in Fuchu-cho, JP· patent location history
2002–2019Patents assigned to NHK SPRING CO LTD (9)· patent assignee history
2002–2019Based in Yokohama, JP· patent location history
2004Based in Kanagawa, JP· patent location history
2018–2019Patents assigned to ONO YOSHIKI (4)· patent assignee history
2018–2019Patents assigned to SHIRAISHI TOHRU (4)· patent assignee history
2018–2019Patents assigned to ARAOKA YUJI (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NHK SPRING CO LTD | 9 | 2002–2019 |
| ONO YOSHIKI | 4 | 2018–2019 |
| SHIRAISHI TOHRUself | 4 | 2018–2019 |
| ARAOKA YUJI | 3 | 2018–2019 |
| MAZDA MOTOR | 2 | 1995–2001 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yokohama, JP | 8 | 2002–2019 |
| Kanagawa, JP | 1 | 2004 |
| Fuchu-cho, JP | 1 | 2001 |
| Hiroshima, JP | 1 | 1995 |