Osamu Ohyama
3Patents
1h-index
4Co-inventors
37Inventor score
Filing activity: Nov 18, 1998 → Jul 3, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5993571A | Steel for machine structural use and machine parts made from such steel | Chemistry; Metallurgy | 1 | Expired |
| US10260123B2 | Rolled steel bar for machine structural use and method of producing the same | Chemistry; Metallurgy | 0 | Active |
| US10266908B2 | Rolled steel bar for machine structural use and method of producing the same | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.