Inventor · disambiguated record
Toshimasa Yamanaka
Also filed as: YAMANAKA TOSHIMASA
25 granted patents·492 citations·filing 1986–1996
97Inventor score
Files withASAHI OPTICAL CO LTD25
Top patents by PatentIndex Score
25 records- 0194US4918264AActuating mechanism and multiposition rubber or membrane switch deviceASAHI OPTICAL CO LTD·Filed 1988·Granted Apr 17, 1990·63 cites·25 claims
- 0294US4893140ASingle-lens reflex camera with built-in flashASAHI OPTICAL CO LTD·Filed 1986·Granted Jan 9, 1990·48 cites·15 claims
- 0392US4910542ASingle-lens reflex camera with built-in flashASAHI OPTICAL CO LTD·Filed 1988·Granted Mar 20, 1990·30 cites·6 claims
- 0490USD361084SPrinterASAHI OPTICAL CO LTD·Filed 1994·Granted Aug 8, 1995·35 cites·1 claims
- 0590US5066967ASingle-lens reflex camera with built-in flashASAHI OPTICAL CO LTD·Filed 1989·Granted Nov 19, 1991·26 cites·7 claims
- 0690USD306606SPair of binocularsASAHI OPTICAL CO LTD·Filed 1988·Granted Mar 13, 1990·32 cites·1 claims
- 0788USD331576SBarcode scannerASAHI OPTICAL CO LTD·Filed 1991·Granted Dec 8, 1992·30 cites·1 claims
- 0887US5621495ARepresentation of depth of field in cameraASAHI OPTICAL CO LTD·Filed 1995·Granted Apr 15, 1997·21 cites·30 claims
- 0985USD319228SBarcode readerASAHI OPTICAL CO LTD·Filed 1990·Granted Aug 20, 1991·26 cites·1 claims
- 1083US5036343ACamera with side-mounted balancerASAHI OPTICAL CO LTD·Filed 1990·Granted Jul 30, 1991·23 cites·20 claims
- 1183US5019852ARepresentation of depth of field in cameraASAHI OPTICAL CO LTD·Filed 1989·Granted May 28, 1991·15 cites·35 claims
- 1276USD362267SPrinterASAHI OPTICAL CO LTD·Filed 1994·Granted Sep 12, 1995·17 cites·1 claims
- 1372US4949118AIndicating apparatus within finder of single-lens reflex cameraASAHI OPTICAL CO LTD·Filed 1988·Granted Aug 14, 1990·12 cites·16 claims
- 1468US4887114ABack-cover release device for a cameraASAHI OPTICAL CO LTD·Filed 1989·Granted Dec 12, 1989·10 cites·4 claims
- 1566US5917533AThermal line printerASAHI OPTICAL CO LTD·Filed 1996·Granted Jun 29, 1999·20 cites·19 claims
- 1666US5638104AThermal line printerASAHI OPTICAL CO LTD·Filed 1994·Granted Jun 10, 1997·19 cites·30 claims
- 1766US5602616AExposure control apparatus of cameraASAHI OPTICAL CO LTD·Filed 1995·Granted Feb 11, 1997·9 cites·71 claims
- 1865USD297242STelescopeASAHI OPTICAL CO LTD·Filed 1986·Granted Aug 16, 1988·10 cites·1 claims
- 1963US4977425AIndicating apparatus within finder of cameraASAHI OPTICAL CO LTD·Filed 1988·Granted Dec 11, 1990·7 cites·11 claims
- 2061US5510875ARepresentation of depth of field in cameraASAHI OPTICAL CO LTD·Filed 1993·Granted Apr 23, 1996·7 cites·38 claims
- 2158US5280319AExposure control apparatus of camera including exposure factor limit value setting meansASAHI OPTICAL CO LTD·Filed 1992·Granted Jan 18, 1994·8 cites·46 claims
- 2249US5485242AExposure control apparatus of cameraASAHI OPTICAL CO LTD·Filed 1995·Granted Jan 16, 1996·4 cites·42 claims
- 2348US5382997AExposure control apparatus of cameraASAHI OPTICAL CO LTD·Filed 1993·Granted Jan 17, 1995·5 cites·20 claims
- 2446US5065177ASLR camera with auxiliary light emitterASAHI OPTICAL CO LTD·Filed 1990·Granted Nov 12, 1991·12 cites·5 claims
- 2544US5170206AIndicating apparatus within finder of cameraASAHI OPTICAL CO LTD·Filed 1990·Granted Dec 8, 1992·3 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →