Inventor · disambiguated record
Toshihiro Imai
Also filed as: IMAI TOSHIHIRO
65 granted patents·2 pending applications·795 citations·filing 1974–2022
99Inventor score
Top patents by PatentIndex Score
67 records- 0194US9511972B1Paper conveyance apparatus and image forming apparatusTOSHIBA KK·Filed 2015·Granted Dec 6, 2016·6 cites·15 claims
- 0290US9864316B2Paper conveyance apparatus and image forming apparatusTOSHIBA KK·Filed 2016·Granted Jan 9, 2018·3 cites·14 claims
- 0389US11457119B2Image forming apparatusTOSHIBA TEC KK·Filed 2021·Granted Sep 27, 2022·2 cites·19 claims
- 0489US8186690B2Metal gasketIMAI TOSHIHIRO·Filed 2008·Granted May 29, 2012·15 cites·10 claims
- 0587US5567493ADie for extrusion of multi-hole tube and multi-hole tube made with the dieNIPPON DENSO CO·Filed 1993·Granted Oct 22, 1996·63 cites·8 claims
- 0687US4037938ARetrofocus-type objective for endoscopesOLYMPUS OPTICAL CO·Filed 1975·Granted Jul 26, 1977·49 cites·13 claims
- 0786US7377520B2Cylinder head gasketISHIKAWA GASKET·Filed 2006·Granted May 27, 2008·11 cites·3 claims
- 0883US7306236B2Cylinder head gasketISHIKAWA GASKET·Filed 2006·Granted Dec 11, 2007·9 cites·7 claims
- 0983US6540015B1Heat exchanger and method for manufacturing the sameDENSO CORP·Filed 2000·Granted Apr 1, 2003·35 cites·41 claims
- 1081US7900936B2Metal gasketISHIKAWA GASKET·Filed 2007·Granted Mar 8, 2011·8 cites·12 claims
- 1181US4025155AImage-transmitting optical systemOLYMPUS OPTICAL CO·Filed 1975·Granted May 24, 1977·34 cites·2 claims
- 1278US5309460ASemiconductor laser with encapsulated lead membersSONY CORP·Filed 1992·Granted May 3, 1994·66 cites·28 claims
- 1375US7665741B2Laminate-type gasketISHIKAWA GASKET·Filed 2008·Granted Feb 23, 2010·5 cites·12 claims
- 1474US4721371AVariable focal length lens systemOLYMPUS OPTICAL CO·Filed 1986·Granted Jan 26, 1988·32 cites·4 claims
- 1574US4036218AEndoscopeOLYMPUS OPTICAL CO·Filed 1975·Granted Jul 19, 1977·63 cites·8 claims
- 1673US8109520B2Cylinder head gasket and method of making cylinder head gasketIMAI TOSHIHIRO·Filed 2009·Granted Feb 7, 2012·5 cites·12 claims
- 1773US8011674B2Metal laminate gasketISHIKAWA GASKET·Filed 2008·Granted Sep 6, 2011·4 cites·9 claims
- 1873US7669859B2Cylinder head gasketISHIKAWA GASKET·Filed 2006·Granted Mar 2, 2010·6 cites·9 claims
- 1971US8899596B2Metal gasketIMAI TOSHIHIRO·Filed 2007·Granted Dec 2, 2014·4 cites·16 claims
- 2070US3936149ANon-homogeneous objective lens having an aperture diaphragmOLYMPUS OPTICAL CO·Filed 1974·Granted Feb 3, 1976·23 cites·5 claims
- 2169US8342537B2Metal laminate gasketISHIKAWA GASKET·Filed 2010·Granted Jan 1, 2013·2 cites·2 claims
- 2269US8016296B2Metal laminate gasketISHIKAWA GASKET·Filed 2008·Granted Sep 13, 2011·3 cites·10 claims
- 2369US4662723AFlare stop for a large aperture ratio zoom lens systemOLYMPUS OPTICAL CO·Filed 1984·Granted May 5, 1987·22 cites·7 claims
- 2468US7219524B2Method for manufacturing high-pressure piping part and structure thereofDENSO CORP·Filed 2005·Granted May 22, 2007·5 cites·18 claims
- 2567US11968971B2Trapping method, light source device, and trapping device for adult moths belonging to indoor Phycitinae subfamilyJAPAN TOBACCO INC·Filed 2022·Granted Apr 30, 2024·0 cites·14 claims
- 2667US4101196AObjective optical system for endoscopesOLYMPUS OPTICAL CO·Filed 1976·Granted Jul 18, 1978·20 cites·3 claims
- 2765US11870963B2Image forming apparatusTOSHIBA TEC KK·Filed 2022·Granted Jan 9, 2024·0 cites·20 claims
- 2863US7914008B2Metal gasket and mis-assembly detection method of metal gasketISHIKAWA GASKET·Filed 2008·Granted Mar 29, 2011·1 cites·12 claims
- 2961US4099843ACompact large-aperture photographic lens system with long back focal lengthOLYMPUS OPTICAL CO·Filed 1977·Granted Jul 11, 1978·16 cites·7 claims
- 3059US11968970B2Trapping method, light source device, and trapping device for adult moths belonging to indoor phycitinae subfamilyJAPAN TOBACCO INC·Filed 2020·Granted Apr 30, 2024·0 cites·17 claims
- 3159US4562344AAutomatic focus detecting mechanism for endoscopesOLYMPUS OPTICAL CO·Filed 1982·Granted Dec 31, 1985·17 cites·6 claims
- 3259US4506958ACompact zoom lens systemOLYMPUS OPTICAL CO·Filed 1982·Granted Mar 26, 1985·15 cites·8 claims
- 3358US4435049ATelephoto lens systemOLYMPUS OPTICAL CO·Filed 1981·Granted Mar 6, 1984·15 cites·8 claims
- 3458US4389099APhotographic lens systemOLYMPUS OPTICAL CO·Filed 1981·Granted Jun 21, 1983·15 cites·5 claims
- 3557US4303323AFocus correcting device for use in a rangefinder cameraOLYMPUS OPTICAL CO·Filed 1980·Granted Dec 1, 1981·6 cites·5 claims
- 3656US4787719AZoom lens systemOLYMPUS OPTICAL CO·Filed 1985·Granted Nov 29, 1988·17 cites·6 claims
- 3756US4390250APhotographic lens systemOLYMPUS OPTICAL CO·Filed 1981·Granted Jun 28, 1983·14 cites·12 claims
- 3856US4042295ARetrofocus-type objective for endoscopesOLYMPUS OPTICAL CO·Filed 1975·Granted Aug 16, 1977·31 cites·2 claims
- 3952US8993313B2Analytical instrument and analytical methodARKRAY INC·Filed 2012·Granted Mar 31, 2015·0 cites·7 claims
- 4051US4204747AMethod of focussing in a photographic lens systemOLYMPUS OPTICAL CO·Filed 1978·Granted May 27, 1980·10 cites·3 claims
- 4151US2007262535A1GasketISHIKAWA GASKET·Filed 2007·Application pending·0 cites
- 4250US4235521APhotographic lens systemOLYMPUS OPTICAL CO·Filed 1978·Granted Nov 25, 1980·10 cites·6 claims
- 4349US10711897B2GasketISHIKAWA GASKET·Filed 2018·Granted Jul 14, 2020·0 cites·9 claims
- 4449US8999662B2Method for producing dry reagent, dry reagent, and analysis tool using sameARKRAY INC·Filed 2013·Granted Apr 7, 2015·0 cites·13 claims
- 4549US4113354ASingle-lens reflex optical system for an endoscopeOLYMPUS OPTICAL CO·Filed 1977·Granted Sep 12, 1978·21 cites·27 claims
- 4648US5649354AMethod of manufacturing a fuel injector coreNIPPON DENSO CO·Filed 1995·Granted Jul 22, 1997·12 cites·4 claims
- 4747US8637275B2Postprandial hyperglycemia marker, method of measuring the same, and usage thereofYONEHARA SATOSHI·Filed 2007·Granted Jan 28, 2014·0 cites·3 claims
- 4847US4412127AIn-focus detector for binocular stereoscopeOLYMPUS OPTICAL CO·Filed 1982·Granted Oct 25, 1983·9 cites·11 claims
- 4947US4303313APhotographic lens systemOLYMPUS OPTICAL CO·Filed 1979·Granted Dec 1, 1981·9 cites·6 claims
- 5046US4396255AStandard photographic lens systemOLYMPUS OPTICAL CO·Filed 1980·Granted Aug 2, 1983·9 cites·9 claims
Showing the top 50 of 67 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →