Itsuo Tanuma
49Patents
18h-index
61Co-inventors
84Inventor score
Filing activity: Jan 28, 1974 → May 20, 2004
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7321459B2 | Image display device and method | Physics | 352 | Expired |
| US5982969A | Optical transmission tube, making method, and linear illuminant system | Emerging Cross-Sectional Technologies | 189 | Expired |
| US5744534A | Light scattering material | Chemistry; Metallurgy | 144 | Expired |
| US4996110A | White board | Emerging Cross-Sectional Technologies | 90 | Expired |
| US6030108A | Waterproof lighting apparatus | Physics | 50 | Expired |
| US4117036A | Functional high polymeric substances having .alpha.,.beta.-unsaturated carboxylate group and the composition therefrom | Chemistry; Metallurgy | 42 | Expired |
| US6278827A | Light transmission tubes | Emerging Cross-Sectional Technologies | 36 | Expired |
| US4600627A | Sandwich glasses | Emerging Cross-Sectional Technologies | 32 | Expired |
| US5759698A | Laminated glass | Emerging Cross-Sectional Technologies | 28 | Expired |
| US4300970A | Method of bonding vulcanized rubber to resin | Emerging Cross-Sectional Technologies | 28 | Expired |
| US6169836A | Optical transmission tube and method for making the same | Emerging Cross-Sectional Technologies | 26 | Expired |
| US7118936B2 | Organic dye-sensitized metal oxide semiconductor electrode and its manufacturing method, and organic dye-sensitized solar cell | Emerging Cross-Sectional Technologies | 25 | Expired |
| US5333227A | Optical waveguide hose | Emerging Cross-Sectional Technologies | 24 | Expired |
| US5352530A | Transparent films and laminates having the same | Emerging Cross-Sectional Technologies | 23 | Expired |
| US5425832A | Surface treatment of fluoropolymer members and preparation of composite products therefrom | Chemistry; Metallurgy | 22 | Expired |
| US3968198A | Method for improving the adhering ability of vulcanized rubber surfaces | Chemistry; Metallurgy | 21 | Expired |
| US4707397A | Vibration damping metal panels | Emerging Cross-Sectional Technologies | 20 | Expired |
| US5692088A | Optical waveguide tube | Performing Operations; Transporting | 20 | Expired |
| US4607065A | Sealant compositions and method of producing the same | Emerging Cross-Sectional Technologies | 16 | Expired |
| US4090546A | Puncture-sealing pneumatic tire and a method of producing the tire | Emerging Cross-Sectional Technologies | 16 | Expired |
| US5557702A | Light guide comprising a methacrylic or acrylic acid resin core and a fluorocarbon resin clad | Emerging Cross-Sectional Technologies | 15 | Expired |
| US4945002A | Impact-resisting anti-lacerative window units | Emerging Cross-Sectional Technologies | 15 | Expired |
| US5681611A | Light guide and method for making | Emerging Cross-Sectional Technologies | 15 | Expired |
| US5547762A | Sandwich glasses | Emerging Cross-Sectional Technologies | 14 | Expired |
| US5684913A | Optical waveguide tube and method of making | Physics | 13 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.