Akio Watanabe
55Patents
12h-index
106Co-inventors
87Inventor score
Filing activity: Mar 25, 1974 → Mar 5, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5604396A | Luminescent material for mercury discharge lamp including phosphor and a continuous protective layer | Electricity | 60 | Expired |
| US4794042A | Magnetic recording medium | Emerging Cross-Sectional Technologies | 35 | Expired |
| US4021595A | Pressure sensitive recording sheet | Emerging Cross-Sectional Technologies | 25 | Expired |
| US4567083A | Magnetic recording medium | Emerging Cross-Sectional Technologies | 24 | Expired |
| US4831098A | Antistatic agent | Emerging Cross-Sectional Technologies | 21 | Expired |
| US4766037A | Photodegradable microcapsules | Emerging Cross-Sectional Technologies | 19 | Expired |
| US3996156A | Production of microcapsules | Performing Operations; Transporting | 16 | Expired |
| US4632866A | Magnetic recording medium | Emerging Cross-Sectional Technologies | 16 | Expired |
| US6576302B1 | Method for producing a metal oxide and method for forming a minute pattern | Chemistry; Metallurgy | 13 | Expired |
| US3932144A | Coated metallic sheet for use in making a container | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4313074A | Servo control system operable on digital basis | Physics | 13 | Expired |
| US3936564A | Pressure-sensitive copying paper containing lactone compounds of pyridine-carboxylic acid | Emerging Cross-Sectional Technologies | 12 | Expired |
| US6634159B1 | Taping apparatus for electronic components | Electricity | 8 | Expired |
| US5293439A | Integrated optical circuit for fiber-optics gyroscopes | Physics | 8 | Expired |
| US3930672A | Pressure-sensitive copying paper containing lactone compounds derived from pyridine-carboxylic acid | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4033737A | Method of cooling a steel material without deformation | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US7286782B2 | Charge method, charge apparatus, and charge program for charging usage fee including print fee and format fee of an image forming apparatus | Physics | 7 | Expired |
| US4605571A | Process for improving abrasion resistance of textile belts | Textiles; Paper | 7 | Expired |
| US3967835A | Pressure-sensitive copying material | Emerging Cross-Sectional Technologies | 6 | Expired |
| US7712208B2 | Electronic component mounting apparatus | Emerging Cross-Sectional Technologies | 6 | Active |
| USD598158S1 | Tubular lamp | General | 6 | Expired |
| US4780101A | Resin treatment of cellulosic fiber-containing textile products | Chemistry; Metallurgy | 6 | Expired |
| US4822459A | Lead oxide-coated electrode for use in electrolysis and process for producing the same | Emerging Cross-Sectional Technologies | 5 | Expired |
| US5774884A | Service method using on-line systems of financial institutions | Physics | 5 | Expired |
| US6872012B2 | Optical isolator module | Electricity | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.