Kunio Takeuchi
35Patents
12h-index
63Co-inventors
84Inventor score
Filing activity: Nov 2, 1976 → Jan 25, 2010
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4818095A | Special lens and glasses equipped with the same | Physics | 119 | Expired |
| US6187441A | Glass substrate for information recording medium and magnetic recording medium having the substrate | Emerging Cross-Sectional Technologies | 50 | Expired |
| US4955265A | Web cutting position control system | Emerging Cross-Sectional Technologies | 46 | Expired |
| USD295286S | Optical glasses | General | 43 | Expired |
| US4523312A | IC tester | Physics | 40 | Expired |
| US6649942B2 | Nitride-based semiconductor light-emitting device | Electricity | 29 | Expired |
| US6130446A | Electrode of n-type nitridide semiconductor, semiconductor device having the electrode, and method of fabricating the same | Electricity | 23 | Expired |
| US4454312A | Biaxially stretched polyester films | Chemistry; Metallurgy | 20 | Expired |
| US4783573A | Process for preparing linear .alpha.-olefins | Chemistry; Metallurgy | 18 | Expired |
| US4709593A | Steering mechanism for automobile | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US4915495A | Special lens for eyeglasses | Physics | 16 | Expired |
| US4124972A | Process and apparatus for producing yarns | Textiles; Paper | 13 | Expired |
| US5986458A | Test head for semiconductor tester | Physics | 12 | Expired |
| US4131803A | Apparatus for detecting defects in sheet material | Physics | 12 | Expired |
| US4268464A | Electrostatic pinning of extruded polyamide film | Performing Operations; Transporting | 11 | Expired |
| US4919699A | Process of removing platinum inclusions from laser glass | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4485660A | Press sublifter with a movable gauge | Performing Operations; Transporting | 5 | Expired |
| US7880177B2 | Semiconductor light-emitting device, illuminator and method of manufacturing semiconductor light-emitting device | Electricity | 3 | Active |
| US7260130B2 | Semiconductor laser device and method of fabricating the same | Electricity | 3 | Expired |
| US5498735A | Process of producing .alpha.-olefin | Chemistry; Metallurgy | 2 | Expired |
| US6768755B2 | Semiconductor laser device | Electricity | 2 | Expired |
| US6771676B2 | Semiconductor laser device and method of fabricating the same | Electricity | 2 | Expired |
| US5000889A | Process for preparing polyamide film | Performing Operations; Transporting | 2 | Expired |
| US8064492B2 | Method of manufacturing semiconductor laser device, semiconductor laser device and light apparatus | Electricity | 1 | Active |
| US6778575B2 | AlGaInP-based high-output red semiconductor laser device | Electricity | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.