Toshio Itoh
38Patents
12h-index
83Co-inventors
84Inventor score
Filing activity: Apr 27, 1982 → Sep 28, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6911391B2 | Integration of titanium and titanium nitride layers | Electricity | 59 | Expired |
| US6297152A | CVD process for DCS-based tungsten silicide | Electricity | 56 | Expired |
| US5680612A | Document retrieval apparatus retrieving document data using calculated record identifier | Emerging Cross-Sectional Technologies | 31 | Expired |
| US7094685B2 | Integration of titanium and titanium nitride layers | Electricity | 29 | Expired |
| US5316996A | Compound oxide catalyst carrier, method of producing the same and method of treating heavy oil with the same | Performing Operations; Transporting | 27 | Expired |
| US6214211A | Catalytic cracking catalyst | Performing Operations; Transporting | 19 | Expired |
| US6337724B1 | Image display system | Physics | 17 | Expired |
| US4534155A | Solid material packing method and machine | Performing Operations; Transporting | 17 | Expired |
| US4823755A | Fuel injection system for an internal combustion engine | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US4732124A | Two-cycle internal combustion engine | Emerging Cross-Sectional Technologies | 15 | Expired |
| US6242347A | Method for cleaning a process chamber | Emerging Cross-Sectional Technologies | 14 | Expired |
| US4664161A | Automatic filling apparatus, and bag mouth opening device thereof | Performing Operations; Transporting | 13 | Expired |
| US7473638B2 | Plasma-enhanced cyclic layer deposition process for barrier layers | Electricity | 12 | Active |
| US4567715A | Packing device | Performing Operations; Transporting | 9 | Expired |
| US4883030A | Combustion chamber of a two-stroke engine | Emerging Cross-Sectional Technologies | 8 | Expired |
| US5128231A | Negative photoresist composition comprising a photosensitizer of a polyhalogen compound | Emerging Cross-Sectional Technologies | 8 | Expired |
| US6455421B1 | Plasma treatment of tantalum nitride compound films formed by chemical vapor deposition | Electricity | 8 | Expired |
| US4801518A | Method of forming a photoresist pattern | Physics | 7 | Expired |
| US7732325B2 | Plasma-enhanced cyclic layer deposition process for barrier layers | Electricity | 6 | Active |
| US5997729A | Catalytic cracking catalyst and method for cracking a heavy oil | Performing Operations; Transporting | 6 | Expired |
| US5687690A | Motor vehicle drive device | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US5757471A | Method and apparatus for producing index prints, and density adjusting method | Physics | 5 | Expired |
| US4938213A | Two-stroke engine | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US5995202A | Method and apparatus for producing index prints and density adjusting method | Physics | 4 | Expired |
| US5019367A | Method for producing boehmite | Chemistry; Metallurgy | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.