Kenji Doi
19Patents
8h-index
57Co-inventors
75Inventor score
Filing activity: Sep 14, 1989 → Jun 3, 2009
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6354913B1 | Abrasive and method for polishing semiconductor substrate | Electricity | 19 | Expired |
| US5753191A | Gas distributor plate for a gas phase polymerization apparatus | Performing Operations; Transporting | 15 | Expired |
| US5880032A | Method and apparatus for manufacturing a semiconductor device | Emerging Cross-Sectional Technologies | 12 | Expired |
| US5015612A | Olefin polymerization catalyst subjected to preliminary polymerization treatment | Emerging Cross-Sectional Technologies | 11 | Expired |
| US6013741A | Method of terminating gas phase polymerization of olefin, method of initiating the polymerization and apparatus therefor | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5136680A | Optical fiber built-in type composite insulator and method for producing the same | Electricity | 9 | Expired |
| US6045605A | Abrasive material for polishing a semiconductor wafer, and methods for manufacturing and using the abrasive material | Chemistry; Metallurgy | 9 | Expired |
| US5878191A | Heat treatment apparatus for semiconductor wafers | Electricity | 9 | Expired |
| US5804678A | Process for gas phase polymerization of olefin | Emerging Cross-Sectional Technologies | 7 | Expired |
| US5069525A | Optical fiber built-in type composite insulator and method of producing the same | Electricity | 7 | Expired |
| US7141631B2 | Non-conjugated cyclic diene, non-conjugated cyclic diene composition and method of producing polymer based on non-conjugated cyclic diene | Chemistry; Metallurgy | 4 | Expired |
| US6034285A | Producing method for trimethylolalkane | Chemistry; Metallurgy | 4 | Expired |
| US6034284A | Producing method for trimethylolalkane | Chemistry; Metallurgy | 3 | Expired |
| US8283504B2 | Process for producing 2-propanol | Performing Operations; Transporting | 1 | Active |
| US8404914B2 | Process for producing alkylated aromatic compounds and process for producing phenol | Emerging Cross-Sectional Technologies | 1 | Active |
| US8273932B2 | Process for producing alkylated aromatic compounds and process for producing phenol | Emerging Cross-Sectional Technologies | 1 | Active |
| US8257445B2 | Bone-compatible implant and method of producing the same | Human Necessities | 0 | Active |
| US7785765B2 | Photosensitive resin composition | Emerging Cross-Sectional Technologies | 0 | Active |
| US8114942B2 | Process for producing cycloolefin resin composition, and cycloolefin resin composition | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.