Inventor · disambiguated record
Hirotoshi Takahashi
Also filed as: TAKAHASHI HIROTOSHI
27 granted patents·5 pending applications·320 citations·filing 1993–2023
95Inventor score
Files withTOKAI OPTICAL CO LTD14NIPPON KAYAKU KK4FUKAGAWA TSUYOSHI3SHOWA DENKO KK3HITACHI INT ELECTRIC INC2
Top patents by PatentIndex Score
32 records- 0196US5422170AWood based panelsYAMAHA CORP·Filed 1993·Granted Jun 6, 1995·158 cites·7 claims
- 0288US8746880B2Optical product and eyeglass plastic lensFUKAGAWA TSUYOSHI·Filed 2011·Granted Jun 10, 2014·16 cites·3 claims
- 0381US8908275B2Optical product and spectacle plastic lensTOKAI OPTICAL CO LTD·Filed 2013·Granted Dec 9, 2014·3 cites·3 claims
- 0476US6323298B1Propylene-based polymer, method for its production, composition thereof, catalyst component for polymerization, and method for its productionSHOWA DENKO KK·Filed 2000·Granted Nov 27, 2001·13 cites·11 claims
- 0576US6184328B1Propylene-based polymer, method for its production, composition thereof, catalyst component for polymerization, and method for its productionSHOWA DENKO KK·Filed 1998·Granted Feb 6, 2001·30 cites·4 claims
- 0675US5902765ASolid catalyst components for olefin polymerizationJAPAN POLYOLEFINS CO LTD·Filed 1997·Granted May 11, 1999·31 cites·4 claims
- 0774US10031349B2Optical product, and spectacle lens and spectaclesTOKAI OPTICAL CO LTD·Filed 2016·Granted Jul 24, 2018·2 cites·6 claims
- 0869US6747524B2Modulator and demodulatorHITACHI INT ELECTRIC INC·Filed 2002·Granted Jun 8, 2004·12 cites·9 claims
- 0963US12202991B2Ink and ink-jet recording methodNIPPON KAYAKU KK·Filed 2020·Granted Jan 21, 2025·0 cites·12 claims
- 1063US6906154B2Catalyst for the polymerization of olefinsBASELL POLIOLEFINE SPA·Filed 2001·Granted Jun 14, 2005·6 cites·15 claims
- 1163US5705001AMethod of manufacturing wood based panelsYAMAHA CORP·Filed 1996·Granted Jan 6, 1998·26 cites·2 claims
- 1262US9651713B2Optical product and spectacle plastic lensTOKAI OPTICAL CO LTD·Filed 2015·Granted May 16, 2017·1 cites·8 claims
- 1362US5916990APropylene-based polymer, method of its production, composition thereof, catalyst component for polymerization, and method for its productionSHOWA DENKO KK·Filed 1994·Granted Jun 29, 1999·14 cites·4 claims
- 1460US11966102B2Spectacle lens and spectaclesTOKAI OPTICAL CO LTD·Filed 2021·Granted Apr 23, 2024·0 cites·5 claims
- 1560US11938734B2Cleaning solution and inkjet printer cleaning methodNIPPON KAYAKU KK·Filed 2020·Granted Mar 26, 2024·0 cites·8 claims
- 1660US9022561B2Plastic optical product and plastic lens for spectaclesTOKAI OPTICAL CO LTD·Filed 2012·Granted May 5, 2015·1 cites·6 claims
- 1760US2024182736A1Ink set, inkjet recording method, ink medium set, and printing mediumNIPPON KAYAKU KK·Filed 2022·Application pending·0 cites
- 1859US10994544B2Cleaning liquid and method of cleaning ink-jet printerNIPPON KAYAKU KK·Filed 2019·Granted May 4, 2021·0 cites·9 claims
- 1958US10663634B2ND filter with plastic base material, and ND filter with plastic base material for eyeglassesTOKAI OPTICAL CO LTD·Filed 2018·Granted May 26, 2020·0 cites·8 claims
- 2058US2024019608A1Plastic lens for spectaclesTOKAI OPTICAL CO LTD·Filed 2023·Application pending·0 cites
- 2156US2023244003A1Plastic optical product and plastic spectacle lensTOKAI OPTICAL CO LTD·Filed 2023·Application pending·0 cites
- 2253US11709292B2Optical plastic product, and plastic spectacle lens and spectaclesTOKAI OPTICAL CO LTD·Filed 2019·Granted Jul 25, 2023·0 cites·4 claims
- 2353US11422287B2Plastic spectacle lens and spectaclesTOKAI OPTICAL CO LTD·Filed 2019·Granted Aug 23, 2022·0 cites·4 claims
- 2451US8746878B2Optical member, plastic lens for eyeglasses, and method for manufacturing the sameFUKAGAWA TSUYOSHI·Filed 2011·Granted Jun 10, 2014·0 cites·12 claims
- 2550US10107941B2Optical product, and spectacle lens and spectaclesTOKAI OPTICAL CO LTD·Filed 2016·Granted Oct 23, 2018·0 cites·3 claims
- 2646US11668957B2Optical product, plastic spectacle lens, and spectaclesTOKAI OPTICAL CO LTD·Filed 2019·Granted Jun 6, 2023·0 cites·12 claims
- 2743US5885920AProcess for producing catalyst carrier for olefin polymerizationJAPAN POLYOLEFINS CO LTD·Filed 1995·Granted Mar 23, 1999·7 cites·4 claims
- 2842US10057756B2Terminal detection method and communication deviceFUJITSU TEN LTD·Filed 2017·Granted Aug 21, 2018·0 cites·8 claims
- 2941US6833755B2Modulator and demodulatorHITACHI INT ELECTRIC INC·Filed 2003·Granted Dec 21, 2004·0 cites·8 claims
- 3040US10101502B2Optical product and spectacle lensTOKAI OPTICAL CO LTD·Filed 2016·Granted Oct 16, 2018·0 cites·3 claims
- 3137US2012033175A1Optical product and spectacle plastic lensFUKAGAWA TSUYOSHI·Filed 2011·Application pending·0 cites
- 3233US2017097521A1Optical product and spectacle lensTOKAI OPTICAL CO LTD·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →