Kunio Shimizu
59Patents
12h-index
52Co-inventors
87Inventor score
Filing activity: Dec 22, 1975 → Jan 28, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6320042A | Polarizing plate protective cellulose triacetate film | Emerging Cross-Sectional Technologies | 90 | Expired |
| US4349042A | Fluid shut-off device | Emerging Cross-Sectional Technologies | 47 | Expired |
| US6731357B1 | Cellulose ester film, production method of the same, film employed in liquid crystal display member, and polarizing plate | Physics | 33 | Expired |
| US4225894A | Mode change-over mechanism for recording and/or reproducing apparatus | Physics | 24 | Expired |
| US6974608B2 | Cellulose ester film, cellulose ester dope, protective film of polarizing plate and polarizing plate | Emerging Cross-Sectional Technologies | 24 | Expired |
| USD489133S1 | Ear cleaner | General | 23 | Expired |
| US6844033B2 | Cellulose ester film, its manufacturing method, polarizing plate, and liquid crystal display | Chemistry; Metallurgy | 21 | Expired |
| USD432239S | Ear cleaner | General | 19 | Expired |
| US7704570B2 | Polarizing plate and liquid crystal display apparatus using the same | Chemistry; Metallurgy | 18 | Active |
| US4688156A | Light-shielding screen device | Mechanical Engineering; Lighting; Heating | 17 | Expired |
| US6509440B1 | ALIPHATIC COPOLYMER, PRODUCTION PROCESS, ALIPHATIC POLYESTER RESIN COMPOSITION, VARIOUS USES, COATING COMPOSITION, AND AGRICULTURAL OR HORTICULTURAL PARTICULATE COMPOSITION COMPRISING DEGRADABLE COATING FILM | Emerging Cross-Sectional Technologies | 17 | Expired |
| US4245814A | Fluid shut-off device | Emerging Cross-Sectional Technologies | 16 | Expired |
| US7354633B2 | Retardation film, and polarizing plate and display device using the same | Chemistry; Metallurgy | 12 | Expired |
| US4506953A | Reflection preventive light-shielding screen and a process for producing the same | Physics | 12 | Expired |
| US5446875A | System to pass through resource information | Physics | 12 | Expired |
| US7125918B2 | Protective film of a polarizing plate | Physics | 11 | Expired |
| US4059143A | Method of and a means for pouring molten metal in a die casting device | Performing Operations; Transporting | 11 | Expired |
| US5684763A | Optical recording/reproducing device having control for reducing vibrational noise during recording by slowing moving speed of pickup | Physics | 9 | Expired |
| US5894459A | Optical recording/reproducing device having a controller for reducing vibrational noise during recording by slowing moving speed of pickup | Physics | 8 | Expired |
| US8246880B2 | Method of producing cellulose ester film, cellulose ester film, polarizing plate and liquid crystal display | Chemistry; Metallurgy | 8 | Active |
| US7494611B2 | Cellulose ester film, cellulose ester dope, protective film of polarizing plate and polarizing plate | Emerging Cross-Sectional Technologies | 8 | Active |
| US4360846A | Operating mode change-over apparatus in tape recording and/or reproducing apparatus | Physics | 6 | Expired |
| US4491142A | Automatic stopping device of combustion fuel supply | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4985337A | Image forming method and element, in which the element contains a release layer and a photosensitive o-quinone diaziode layer | Physics | 4 | Expired |
| US5068689A | Method for transferring images and an apparatus used therefor | Physics | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.