Yasuhiro Otsuka
46Patents
12h-index
61Co-inventors
84Inventor score
Filing activity: Jun 9, 1977 → Aug 31, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5415927A | Water-repellant glass products and process for the production thereof | Emerging Cross-Sectional Technologies | 79 | Expired |
| US6361155B1 | Ink jet recording head and method for manufacturing the same | Performing Operations; Transporting | 34 | Expired |
| US6328421A | Fluid drop projecting head using taper-shaped chamber for generating a converging surface wave | Performing Operations; Transporting | 31 | Expired |
| US6450615B2 | Ink jet printing apparatus and method using a pressure generating device to induce surface waves in an ink meniscus | Performing Operations; Transporting | 28 | Expired |
| US4272349A | Catalyst supported oxygen sensor with sensor element having catalyst and protective layers and a method of manufacturing same | Physics | 25 | Expired |
| US4472262A | Limiting electric current type oxygen concentration detector applied with temperature compensation | Physics | 23 | Expired |
| US4813768A | Liquid crystal device having an oblique evaporation film which is protected by a protective layer | Physics | 23 | Expired |
| US5812030A | Amplifier device capable of carrying out a stable amplifying operation without a gain variation | Electricity | 22 | Expired |
| US6502921B2 | Ink jet head having a plurality of units and its manufacturing method | Performing Operations; Transporting | 21 | Expired |
| US5288006A | Method of bonding tab inner lead and bonding tool | Electricity | 19 | Expired |
| US4208265A | Oxygen sensor element and process of manufacture | Emerging Cross-Sectional Technologies | 15 | Expired |
| US4209378A | Oxygen sensing element | Emerging Cross-Sectional Technologies | 13 | Expired |
| US6196664A | Ink droplet eject apparatus and method | Performing Operations; Transporting | 12 | Expired |
| US4096048A | Oxygen sensor and manufacturing method thereof | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4297192A | Catalyst supported oxygen sensor element and a method of manufacturing same | Physics | 12 | Expired |
| US4265930A | Process for producing oxygen sensing element | Emerging Cross-Sectional Technologies | 11 | Expired |
| US6682175B2 | Ink jet recording head and ink jet recording apparatus | Performing Operations; Transporting | 10 | Expired |
| US4209377A | Oxygen sensing element | Emerging Cross-Sectional Technologies | 10 | Expired |
| US6154228A | Image recording device capable of preventing deviation of ink dot on recording medium | Performing Operations; Transporting | 10 | Expired |
| US4152232A | Oxygen concentration detector | Physics | 10 | Expired |
| US5223976A | Vehicle mirror including an anti-halation mirror member a piezo-electric vibrator and a spacer member | Performing Operations; Transporting | 9 | Expired |
| US6550897B2 | Inkjet recording head and recording apparatus using the same | Performing Operations; Transporting | 8 | Expired |
| US4284486A | Solid pole oxygen sensor and its manufacturing process | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4299627A | Method of manufacturing oxygen sensing element | Emerging Cross-Sectional Technologies | 6 | Expired |
| US5123163A | Process and apparatus for forming bumps on film carrier | Emerging Cross-Sectional Technologies | 6 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.