Hiroshi Oshige
11Patents
5h-index
16Co-inventors
63Inventor score
Filing activity: Aug 14, 1997 → May 14, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8733313B2 | Iron-based sintered alloy for valve seat, and valve seat for internal combustion engine | Mechanical Engineering; Lighting; Heating | 29 | Active |
| US5895517A | Sintered Fe alloy for valve seat | Chemistry; Metallurgy | 28 | Expired |
| US10605374B2 | Valve seat insert excellent in wear resistance made of iron-base sintered alloy for internal combustion engines, and assembly of valve seat insert and valve | Chemistry; Metallurgy | 25 | Active |
| US6318327A | Valve system for internal combustion engine | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| US5975039A | Process for manufacturing valve seat made of sintered FE alloy and valve seat made of sintered FE alloy | Emerging Cross-Sectional Technologies | 7 | Expired |
| US10287933B2 | Assembly of internal combustion engine valve and valve seat | Mechanical Engineering; Lighting; Heating | 4 | Active |
| US10428700B2 | Highly wear-resistant valve seat for use in internal combustion engine | Emerging Cross-Sectional Technologies | 2 | Active |
| US10273838B2 | Valve seat insert for internal combustion engine having excellent wear resistance | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US9803268B2 | Iron-base sintered alloy material for valve seat insert and method for manufacturing the same | Performing Operations; Transporting | 1 | Active |
| US11549408B2 | Iron-based sintered alloy valve seat for internal combustion engine | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US8733875B2 | Liquid discharge apparatus and liquid discharge method | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.