Masafumi Torii
37Patents
13h-index
51Co-inventors
84Inventor score
Filing activity: Apr 16, 1993 → Jun 23, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5306687A | Thermosensitive recording material | Performing Operations; Transporting | 24 | Expired |
| US7166689B2 | Aryl amine polymer, thin film transistor using the aryl amine polymer, and method of manufacturing the thin film transistor | Emerging Cross-Sectional Technologies | 24 | Expired |
| US6154243A | Reversible thermal recording method and apparatus therefor | Performing Operations; Transporting | 22 | Expired |
| US5489501A | Recording composition | Emerging Cross-Sectional Technologies | 21 | Expired |
| US7745988B2 | 3, 6-diphenylcarbazole compound and organic electroluminescent device | Emerging Cross-Sectional Technologies | 19 | Expired |
| US6090748A | Reversible thermosensitive recording material and recording method and recording apparatus therefor | Performing Operations; Transporting | 18 | Expired |
| US6677273B2 | Erasable recording material capable of inputting additional information written thereon and information recording system and information recording method using the recording material | Emerging Cross-Sectional Technologies | 17 | Expired |
| US5942377A | Reversible thermosensitive composition and reversible thermosensitive recording medium using same | Emerging Cross-Sectional Technologies | 16 | Expired |
| US6174836A | Reversible thermosensitive recording medium, method of producing the medium, information recording devices using the medium, and image formation and erasing method using the medium | Performing Operations; Transporting | 14 | Expired |
| US7816674B2 | Organic thin-film transistor | Electricity | 14 | Active |
| US5446011A | Thermosensitive recording material | Performing Operations; Transporting | 14 | Expired |
| US6432518B1 | Erasable recording material capable of inputting additional information written thereon and information recording system and information recording method using the recording material | Emerging Cross-Sectional Technologies | 13 | Expired |
| US6063173A | Reversible thermosensitive coloring composition and reversible thermosensitive recording medium using the same | Performing Operations; Transporting | 13 | Expired |
| US6261992A | Reversible thermosensitive recording material and recording method and apparatus therefor | Performing Operations; Transporting | 13 | Expired |
| US5703005A | Thermosensitive coloring composition and reversible thermosensitive recording medium using same | Performing Operations; Transporting | 12 | Expired |
| US5955225A | Reversible thermosensitive coloring composition and reversible thermosensitive recording medium using same | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5868821A | Thermally reversible color forming composition and thermally reversible recording medium using the thermally reversible color forming composition | Performing Operations; Transporting | 9 | Expired |
| US5891823A | Reversible thermosensitive recording medium | Performing Operations; Transporting | 9 | Expired |
| US6090192A | Reversible thermosensitive coloring composition and reversible thermosensitive recording medium using same | Performing Operations; Transporting | 9 | Expired |
| US6207613A | Reversible thermosensitive coloring composition and recording material using the composition and recording method using the recording material | Performing Operations; Transporting | 8 | Expired |
| US7893192B2 | Pi-conjugated polymer | Electricity | 8 | Active |
| US7550554B2 | Aryl amine polymer, thin film transistor using the new aryl amine polymer, and method of manufacturing the thin film transistor | Emerging Cross-Sectional Technologies | 8 | Active |
| US5866505A | Reversible thermosensitive coloring composition and reversible thermosensitive recording medium using the same | Performing Operations; Transporting | 7 | Expired |
| US8440713B2 | [1]benzothieno[3,2-B][1]benzothiophene compound and method for producing the same, and organic electronic device using the same | Emerging Cross-Sectional Technologies | 7 | Active |
| US6362130B1 | Reversible thermosensitive recording medium, card, label, disk, disk cartridge, tape cassette, method of producing the recording medium, and method of recording and erasing images using the same | Physics | 6 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.