Tokumaru; Hisashi
Patent Applications and Registrations
Patent applications and USPTO patent grants for Tokumaru; Hisashi.The latest application filed is for "camera system with zoom lens having presettable focal lengths".
- Tokumaru; Hisashi - Osaka JP
- Tokumaru; Hisashi - Osakasayama JP
| Patent | Date |
|---|---|
| Camera system with zoom lens having presettable focal lengths Grant 5,365,297 - Arimoto , et al. November 15, 1 | 1994-11-15 |
| Compact size zoom lens system Grant 5,327,290 - Fukushima , et al. July 5, 1 | 1994-07-05 |
| Camera having a varifocal lens Grant 5,274,414 - Taniguchi , et al. December 28, 1 | 1993-12-28 |
| Viewfinder framing device for zoom lens camera Grant 5,196,877 - Mukai , et al. March 23, 1 | 1993-03-23 |
| Compact-size zoom lens system Grant 5,153,777 - Okada , et al. October 6, 1 | 1992-10-06 |
| Zoom camera Grant 5,122,825 - Tokumaru , et al. June 16, 1 | 1992-06-16 |
| Zoom camera Grant 4,951,075 - Tokumaru , et al. August 21, 1 | 1990-08-21 |
| Focus detection apparatus Grant 4,916,473 - Mukai , et al. * April 10, 1 | 1990-04-10 |
| System for detecting the focus condition of a cata-dioptric lens and interchangeable lens for use therewith Grant 4,908,505 - Taniguchi , et al. March 13, 1 | 1990-03-13 |
| Focus condition detecting device Grant 4,903,065 - Taniguchi , et al. February 20, 1 | 1990-02-20 |
| Zoom lens system Grant 4,846,562 - Tokumaru , et al. * July 11, 1 | 1989-07-11 |
| Zoom lens system Grant 4,844,600 - Tokumaru * July 4, 1 | 1989-07-04 |
| Zoom lens system Grant 4,636,040 - Tokumaru January 13, 1 | 1987-01-13 |
| Zoom lens system Grant 4,591,235 - Tokumaru , et al. May 27, 1 | 1986-05-27 |
| Zoom lens system Grant 4,516,839 - Tokumaru May 14, 1 | 1985-05-14 |
| Optical projection system Grant 4,474,459 - Tokumaru October 2, 1 | 1984-10-02 |
| Image transmitter for copying apparatus of slit exposure scanning type Grant 4,448,499 - Tokumaru May 15, 1 | 1984-05-15 |
| Reflecting optical system for projection television Grant 4,234,894 - Tokumaru , et al. November 18, 1 | 1980-11-18 |
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