Hirohide Munakata
29Patents
10h-index
36Co-inventors
75Inventor score
Filing activity: Nov 29, 1984 → Nov 12, 2010
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6177968A | Optical modulation device with pixels each having series connected electrode structure | Physics | 65 | Expired |
| US6221444A | Liquid crystal device | Physics | 30 | Expired |
| US6542211B1 | Liquid crystal device and driving method therefor | Physics | 28 | Expired |
| US4832466A | Optical element | Physics | 25 | Expired |
| US4900135A | Optical element | Physics | 19 | Expired |
| US4952035A | Optical element and device using same | Physics | 14 | Expired |
| US4975375A | Biocatalyst immobilization with a reversibly swelling and shrinking polymer | Emerging Cross-Sectional Technologies | 14 | Expired |
| US4771215A | Display device with a biochemical luminous reaction system | Physics | 12 | Expired |
| US5999157A | Suppressing liquid crystal movement based on the relationship between a display pattern and a driving waveform | Physics | 11 | Expired |
| US5863458A | Liquid crystal apparatus and display apparatus | Physics | 11 | Expired |
| US6703993B2 | Driving method for liquid crystal device | Physics | 10 | Expired |
| US5007714A | Optical device | Physics | 10 | Expired |
| US4618561A | Monomolecular record memory medium with photosensitive diazonium salt | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4674436A | Film forming apparatus | Performing Operations; Transporting | 6 | Expired |
| US5011644A | Process for producing gel fiber | Textiles; Paper | 6 | Expired |
| US5956010A | Liquid crystal apparatus and driving method | Physics | 6 | Expired |
| US6710842B2 | Chiral smectic liquid crystal device | Physics | 5 | Expired |
| US4881798A | Thermal optical modulation method and device using alternating current | Physics | 5 | Expired |
| US4740449A | Optical recording medium | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4779962A | Optical device | Physics | 4 | Expired |
| US4785762A | Apparatus for forming film | Performing Operations; Transporting | 4 | Expired |
| US4634628A | Recording medium and image recording process | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4873178A | Optical recording medium and method for conducting recording on said medium | Emerging Cross-Sectional Technologies | 3 | Expired |
| US6693695B2 | Liquid crystal device and driving method therefor | Physics | 3 | Expired |
| US4766047A | Optical recording medium and optical recording process using such medium | Emerging Cross-Sectional Technologies | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.