Toshihiko Ishida
55Patents
9h-index
70Co-inventors
81Inventor score
Filing activity: Mar 16, 1979 → May 20, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5112025A | Molds having wear resistant release coatings | Emerging Cross-Sectional Technologies | 63 | Expired |
| US4726758A | Mold | Performing Operations; Transporting | 61 | Expired |
| US5209027A | Polishing of the rear surface of a stamper for optical disk reproduction | Performing Operations; Transporting | 40 | Expired |
| US6051901A | Motor unit fitted with buffer mechanism | Emerging Cross-Sectional Technologies | 13 | Expired |
| US5092758A | Disc molding apparatus | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4289285A | Magnetic tape cassette | Physics | 11 | Expired |
| US5219708A | Optical disk | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4466036A | Magnetic tape cassette | Physics | 11 | Expired |
| US4314299A | Pad assembly for use in a magnetic tape cassette | Physics | 11 | Expired |
| US5316466A | Disc molding apparatus | Emerging Cross-Sectional Technologies | 9 | Expired |
| US8125105B2 | Power supply device and construction machine | Emerging Cross-Sectional Technologies | 9 | Active |
| US5340698A | Optical disk | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4376519A | Lubricant sheet for magnetic tape cassette | Emerging Cross-Sectional Technologies | 8 | Expired |
| US9290908B2 | Hybrid construction machine | Emerging Cross-Sectional Technologies | 7 | Active |
| US4546936A | Magnetic tape cassette casing | Physics | 7 | Expired |
| US8336259B2 | Vehicle door opening/closing apparatus | Fixed Constructions | 7 | Active |
| US5966360A | Cleaning disc cartridge | Physics | 7 | Expired |
| US8757686B2 | Vehicle door handle device | Emerging Cross-Sectional Technologies | 7 | Active |
| US4349166A | Magnetic tape cassette | Physics | 6 | Expired |
| US5057960A | Hub for a disk type recording medium | Physics | 6 | Expired |
| US4646916A | Molded magnetic tape cassette case having improved gate mark location | Performing Operations; Transporting | 6 | Expired |
| US9260901B2 | Door-opening/closing device for use in vehicle | Fixed Constructions | 6 | Active |
| US4333620A | Tape cassette | Physics | 5 | Expired |
| US4347933A | Case for holding magnetic tape cassette | Physics | 5 | Expired |
| US5010435A | Hub for a disk type recording medium | Physics | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.