Osamu Ando
27Patents
9h-index
34Co-inventors
75Inventor score
Filing activity: Apr 4, 1983 → Dec 2, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4552199A | Apparatus for producing flake particles | Performing Operations; Transporting | 40 | Expired |
| US6337120B1 | Gasket for layer-built fuel cells and method for making the same | Emerging Cross-Sectional Technologies | 33 | Expired |
| US6649097B2 | Method of making a gasket for layer-built fuel cells | Emerging Cross-Sectional Technologies | 24 | Expired |
| US4795687A | Electrically conductive material and a process for the preparation of same and secondary battery using the electrically conductive material | Emerging Cross-Sectional Technologies | 23 | Expired |
| US6656653B2 | Toner for the development of electrostatic image and method for producing the same | Physics | 22 | Expired |
| US5019949A | Solid electrolytic capacitor | Emerging Cross-Sectional Technologies | 19 | Expired |
| US5422483A | Near infrared analyzer | Physics | 16 | Expired |
| US5200288A | Electrostatic developing toner with hydroxyaromatic carboxylic acid additive | Physics | 12 | Expired |
| US5162868A | Spectrophotometer | Physics | 9 | Expired |
| US6814359B2 | Gasket | Emerging Cross-Sectional Technologies | 8 | Expired |
| US7169526B2 | Toner for the development of electrostatic image and the production process thereof | Physics | 7 | Expired |
| US5385799A | Toner for development of electrostatic image | Physics | 6 | Expired |
| US5223913A | Spectrophotometer | Physics | 6 | Expired |
| US4987045A | Photosensitive member for electrophotography | Physics | 5 | Expired |
| US5059025A | Spectrophotometer | Physics | 5 | Expired |
| US5307155A | Sample chamber for a spectro photometer | Physics | 5 | Expired |
| US5629124A | Charge controlling agent for electrostatic image development, and toner and charge-imparting material employing it | Physics | 4 | Expired |
| USD329614S | Spectrophotometer | General | 4 | Expired |
| US5166030A | Electrostatic image-developing toner containing a quaternary ammonium charge controlling agent | Physics | 4 | Expired |
| US6190819A | Electrostatic image-developing toner | Physics | 3 | Expired |
| US10017979B2 | Window regulator and method of producing window regulator | Fixed Constructions | 3 | Active |
| US7074357B2 | Gasket | Emerging Cross-Sectional Technologies | 3 | Expired |
| US5290649A | Electrophotographic photoreceptor comprising a photosensitive layer containing a naphthylhydrazone compound | Physics | 2 | Expired |
| US5721084A | Charge controlling agent for electrostatic image development, and toner and charge-imparting material employing it | Physics | 1 | Expired |
| US5545502A | Electrostatic image-developing toner | Physics | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.