Masayasu Kojima
11Patents
8h-index
8Co-inventors
65Inventor score
Filing activity: Oct 14, 1988 → Dec 21, 2007
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5625229A | Heat sink fin assembly for cooling an LSI package | Electricity | 48 | Expired |
| US5455382A | IC package heat sink fin | Electricity | 20 | Expired |
| US6237382A | Method and apparatus for hydroforming metallic tube | Emerging Cross-Sectional Technologies | 17 | Expired |
| US5918494A | Method and apparatus for hydroforming metallic tube | Performing Operations; Transporting | 16 | Expired |
| US4852736A | Metal case for housing an IC and a manufacturing method therefor | Emerging Cross-Sectional Technologies | 15 | Expired |
| US6105409A | Method and apparatus for hydroforming metallic tube | Emerging Cross-Sectional Technologies | 14 | Expired |
| US5519938A | Process for producing a heat sink fin | Emerging Cross-Sectional Technologies | 13 | Expired |
| US5152047A | Method of producing laminated metal belt | Emerging Cross-Sectional Technologies | 11 | Expired |
| US6722009B2 | Metallic sheet hydroforming method, forming die, and formed part | Emerging Cross-Sectional Technologies | 8 | Expired |
| US6009913A | Lubricant surface-treated steel pipe for hydroforming use | Chemistry; Metallurgy | 7 | Expired |
| US7827839B2 | Profile element pipe for hydraulic bulging, hydraulic bulging device using the element pipe, hydraulic bulging method using the element pipe, and hydraulically bulged product | Emerging Cross-Sectional Technologies | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.