Inventor · disambiguated record
Sachio Hasushita
Also filed as: HASUSHITA SACHIO
51 granted patents·552 citations·filing 1990–2000
98Inventor score
Top patents by PatentIndex Score
51 records- 0190US5345285AView finder and camera having sameASAHI OPTICAL CO LTD·Filed 1993·Granted Sep 6, 1994·36 cites·30 claims
- 0282US5926657ACamera having real-image finder and control method thereofASAHI OPTICAL CO LTD·Filed 1998·Granted Jul 20, 1999·20 cites·8 claims
- 0378US5642223ATilting lens systemASAHI OPTICAL CO LTD·Filed 1995·Granted Jun 24, 1997·15 cites·19 claims
- 0477US5625487ADevice for adjusting the diopter setting of a finder assemblyASAHI OPTICAL CO LTD·Filed 1995·Granted Apr 29, 1997·13 cites·5 claims
- 0574US5838504APrism and real image type view finderASAHI OPTICAL CO LTD·Filed 1996·Granted Nov 17, 1998·48 cites·5 claims
- 0671US5701205AShiftable lens systemASAHI OPTICAL CO LTD·Filed 1995·Granted Dec 23, 1997·9 cites·21 claims
- 0769US5621568ADevice for adjusting the diopter setting of a finder assemblyASAHI OPTICAL CO LTD·Filed 1992·Granted Apr 15, 1997·11 cites·13 claims
- 0867US5692227AViewfinderASAHI OPTICAL CO LTD·Filed 1994·Granted Nov 25, 1997·12 cites·40 claims
- 0964US6314247B1View finder device having compact structureASAHI OPTICAL CO LTD·Filed 2000·Granted Nov 6, 2001·5 cites·24 claims
- 1064US5278699AZoom lens systemASAHI OPTICAL CO LTD·Filed 1992·Granted Jan 11, 1994·20 cites·4 claims
- 1163US6137963AView finder deviceASAHI OPTICAL CO LTD·Filed 1997·Granted Oct 24, 2000·6 cites·6 claims
- 1262US5663838AZoom lens systemASAHI OPTICAL CO LTD·Filed 1995·Granted Sep 2, 1997·25 cites·13 claims
- 1357US5909597AViewfinder of a cameraASAHI OPTICAL CO LTD·Filed 1998·Granted Jun 1, 1999·5 cites·13 claims
- 1456US6184925B1Lens having color correction dataASAHI OPTICAL CO LTD·Filed 1997·Granted Feb 6, 2001·20 cites·12 claims
- 1556US5907726ARange finder systemASAHI OPTICAL CO LTD·Filed 1998·Granted May 25, 1999·5 cites·10 claims
- 1655US5424871AZoom lens systemASAHI OPTICAL CO LTD·Filed 1993·Granted Jun 13, 1995·14 cites·4 claims
- 1754US5694244AReal-image finder having variable powerASAHI OPTICAL CO LTD·Filed 1995·Granted Dec 2, 1997·18 cites·11 claims
- 1853US6263168B1Eyepiece optical system for a single lens reflex cameraASAHI OPTICAL CO LTD·Filed 1999·Granted Jul 17, 2001·16 cites·6 claims
- 1953US5410430AVariable power view finderASAHI OPTICAL CO LTD·Filed 1992·Granted Apr 25, 1995·14 cites·36 claims
- 2052US6091545AReal image finder optical system having half mirror and information display surface within eyepiece optical systemASAHI OPTICAL CO LTD·Filed 1998·Granted Jul 18, 2000·4 cites·15 claims
- 2151US6253033B1Eyepiece optical system for a single lens reflex cameraASAHI OPTICAL CO LTD·Filed 1999·Granted Jun 26, 2001·15 cites·4 claims
- 2251US6035140AFinder system for cameraASAHI OPTICAL CO LTD·Filed 1998·Granted Mar 7, 2000·4 cites·16 claims
- 2351US5793535AZoom lens having high zoom ratioASAHI OPTICAL CO LTD·Filed 1996·Granted Aug 11, 1998·15 cites·13 claims
- 2451US5331464AZoom lens systemASAHI OPTICAL CO LTD·Filed 1992·Granted Jul 19, 1994·15 cites·15 claims
- 2551US5195814AStrobe unitASAHI OPTICAL CO LTD·Filed 1992·Granted Mar 23, 1993·6 cites·16 claims
- 2650US5434636AReal image type view finderASAHI OPTICAL CO LTD·Filed 1994·Granted Jul 18, 1995·14 cites·16 claims
- 2749US6169853B1Zooming optical systemASAHI OPTICAL CO LTD·Filed 1998·Granted Jan 2, 2001·13 cites·20 claims
- 2848US5353162AZoom lens systemASAHI OPTICAL CO LTD·Filed 1992·Granted Oct 4, 1994·13 cites·8 claims
- 2947US5668674AReflecting prism and a finder system having a reflecting prismASAHI OPTICAL CO LTD·Filed 1994·Granted Sep 16, 1997·12 cites·19 claims
- 3046US5550674AReal time type viewfinderASAHI OPTICAL CO LTD·Filed 1994·Granted Aug 27, 1996·9 cites·9 claims
- 3146US5442481AFinder optical system in cameraASAHI KOGAKU KK·Filed 1993·Granted Aug 15, 1995·11 cites·5 claims
- 3245US5969880AZoom lens systemASAHI OPTICAL CO LTD·Filed 1998·Granted Oct 19, 1999·11 cites·5 claims
- 3343US5317451AAlbada finderASAHI OPTICAL CO LTD·Filed 1992·Granted May 31, 1994·10 cites·2 claims
- 3442US5752107AReal image finder system for a cameraASAHI OPTICAL CO LTD·Filed 1997·Granted May 12, 1998·8 cites·18 claims
- 3542US5537184AReal image finder system for a cameraASAHI OPTICAL CO LTD·Filed 1994·Granted Jul 16, 1996·7 cites·27 claims
- 3641US5313327AOcular lensASAHI OPTICAL CO LTD·Filed 1991·Granted May 17, 1994·9 cites·25 claims
- 3740US5726799AReal image type viewfinderASAHI OPTICAL CO LTD·Filed 1996·Granted Mar 10, 1998·6 cites·4 claims
- 3839US6141504AFinder optical systemASAHI OPTICAL CO LTD·Filed 1999·Granted Oct 31, 2000·1 cites·4 claims
- 3939US6125238AReal image type finder optical systemASAHI OPTICAL CO LTD·Filed 1998·Granted Sep 26, 2000·7 cites·24 claims
- 4039US6088545AReal-image type viewfinderASAHI OPTICAL CO LTD·Filed 1998·Granted Jul 11, 2000·7 cites·48 claims
- 4139US5309278AReal-image variable magnification finder including a light shield between two moving lens groupsASAHI OPTICAL CO LTD·Filed 1992·Granted May 3, 1994·7 cites·8 claims
- 4238US5838500AHigh-powered zoom lens systemASAHI OPTICAL CO LTD·Filed 1994·Granted Nov 17, 1998·7 cites·6 claims
- 4337US6075645AReal-image finder optical systemASAHI OPTICAL CO LTD·Filed 1999·Granted Jun 13, 2000·6 cites·15 claims
- 4436US5513043AReal image type variable power finderASAHI KOGAKU KOGYO KAISHA·Filed 1995·Granted Apr 30, 1996·6 cites·8 claims
- 4535US5541768AVariable power view finder having aspheric lens surfacesASAHI OPTICAL CO LTD·Filed 1994·Granted Jul 30, 1996·4 cites·4 claims
- 4634US6115182AReal-time optical finder systemASAHI OPTICAL CO LTD·Filed 1999·Granted Sep 5, 2000·4 cites·11 claims
- 4734US5793529AReal image type viewfinderASAHI OPTICAL CO LTD·Filed 1996·Granted Aug 11, 1998·3 cites·2 claims
- 4832US6275657B1Dual image coincidence type finder systemASAHI OPTICAL CO LTD·Filed 1997·Granted Aug 14, 2001·0 cites·18 claims
- 4932USRE36326EZoom lens systemASAHI KOGAKU KOGYO KAISHA·Filed 1996·Granted Oct 5, 1999·2 cites·4 claims
- 5032US5216546AAttachment lens system for close-up photographyASAHI OPTICAL CO LTD·Filed 1990·Granted Jun 1, 1993·3 cites·6 claims
Showing the top 50 of 51 patent records by PatentIndex Score.
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