Tatsuya Ito
142Patents
14h-index
211Co-inventors
89Inventor score
Filing activity: Dec 10, 1985 → Apr 6, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5155941A | Industrial endoscope system having a rotary treatment member | Emerging Cross-Sectional Technologies | 1,384 | Expired |
| US6059407A | Method and device for ink jet recording | Performing Operations; Transporting | 85 | Expired |
| US6400391B1 | Optical scanning lens, optical scanning device and image forming apparatus | Emerging Cross-Sectional Technologies | 82 | Expired |
| US5786594A | Multi-beam pitch adjustment system and method | Electricity | 76 | Expired |
| US7182815B2 | Apparatus and method for producing color filters by discharging material | Electricity | 41 | Expired |
| US5750592A | Ink composition for ink jet recording | Emerging Cross-Sectional Technologies | 32 | Expired |
| US6870584B2 | COLOR FILTER SUBSTRATE, METHOD FOR MANUFACTURING COLOR FILTER SUBSTRATE, LIQUID CRYSTAL DISPLAY DEVICE, ELECTRO-OPTICAL DEVICE, METHOD FOR MANUFACTURING ELECTRO-OPTICAL DEVICE, AND ELECTRONIC APPARATUS | Physics | 27 | Expired |
| US6771449B1 | Falling sensor and the information processing device making use of it | Physics | 27 | Expired |
| US6995939B2 | Falling sensor and the information processing device making use of it | Physics | 19 | Expired |
| US6744545B2 | Optical scanning lens, optical scanning device and image forming apparatus | Emerging Cross-Sectional Technologies | 19 | Expired |
| US9833890B2 | Electric tool and communication plug for electric tool | Electricity | 18 | Active |
| US7901741B2 | Apparatus and method for producing color filters by discharging material | Electricity | 17 | Active |
| US6758550B2 | System and methods for manufacturing a color filter using a scanning ink jet head | Performing Operations; Transporting | 16 | Expired |
| US5292471A | Process for forming a polyester film | Emerging Cross-Sectional Technologies | 15 | Expired |
| US6830855B2 | System and methods for producing a color filter | Electricity | 14 | Expired |
| US6854243B2 | Packaging material folding device of packaging machine | Performing Operations; Transporting | 13 | Expired |
| US6859244B2 | Liquid crystal device including color filter formed on reflecting film having openings and electronic device using the same | Physics | 12 | Expired |
| US7238716B2 | Alkanoic acid derivatives process for their production and use thereof | Chemistry; Metallurgy | 12 | Expired |
| US7175022B2 | Hinged-lid pack for rodlike smoking articles and blank for the pack | Performing Operations; Transporting | 12 | Expired |
| US6870652B2 | Optical scanning lens, optical scanning device and image forming apparatus | Emerging Cross-Sectional Technologies | 12 | Expired |
| US8627181B1 | Storage apparatus, storage controller, and method for managing locations of error correcting code blocks in array | Physics | 12 | Active |
| US8202071B2 | Motor-driven scroll type compressor | Emerging Cross-Sectional Technologies | 11 | Active |
| US7246656B2 | Vehicle air conditioner | Performing Operations; Transporting | 11 | Expired |
| US4705383A | Developing apparatus | Physics | 11 | Expired |
| US5411000A | Ignition timing control system for internal combustion engine | Emerging Cross-Sectional Technologies | 10 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.