Inventor · disambiguated record
Isao Hasegawa
Also filed as: HASEGAWA ISAO
32 granted patents·8 pending applications·295 citations·filing 1977–2022
97Inventor score
Files withSANYO ELECTRIC CO16CLARION CO LTD5PANASONIC IP MAN CO LTD4NEC CORP3JAPAN METALS & CHEM CO LTD2
Top patents by PatentIndex Score
40 records- 0191US6617611B2Display unit and method of fabricating the sameSANYO ELECTRIC CO·Filed 2000·Granted Sep 9, 2003·51 cites·16 claims
- 0289US6905903B2Display unit and method of fabricating the sameSANYO ELECTRIC CO·Filed 2003·Granted Jun 14, 2005·43 cites·17 claims
- 0377US4674001ACam driven mode selection mechanism for tape recorderCLARION CO LTD·Filed 1984·Granted Jun 16, 1987·20 cites·16 claims
- 0473US4440560AMixed phosphatic fertilizer and process for producing the sameJAPAN METALS & CHEM CO LTD·Filed 1981·Granted Apr 3, 1984·16 cites·1 claims
- 0571US7499121B2Display capable of inhibiting instable operation of a transitor resulting from fluctuation of the potential of a corresponding shielding filmSANYO ELECTRIC CO·Filed 2005·Granted Mar 3, 2009·4 cites·11 claims
- 0671US6897166B2Method of fabricating semiconductor device and system of fabricating semiconductor deviceSANYO ELECTRIC CO·Filed 2003·Granted May 24, 2005·13 cites·20 claims
- 0768US6861358B2Deposition mask and method of preparing the sameSANYO ELECTRIC CO·Filed 2001·Granted Mar 1, 2005·10 cites·15 claims
- 0864US7549503B2Steering deviceJTEKT CORP·Filed 2005·Granted Jun 23, 2009·6 cites·10 claims
- 0961US7576169B2Facile synthesis of polyhedral silsesquioxane anions and use thereofUNIV MICHIGAN·Filed 2004·Granted Aug 18, 2009·5 cites·9 claims
- 1060US9224905B2Photoelectric conversion device and method for producing photoelectric conversion deviceSANYO ELECTRIC CO·Filed 2013·Granted Dec 29, 2015·0 cites·10 claims
- 1160US5211219AAir conditionerDAIKIN IND LTD·Filed 1991·Granted May 18, 1993·32 cites·12 claims
- 1259US2014020755A1Solar cell and method for producing solar cellSANYO ELECTRIC CO·Filed 2013·Application pending·0 cites
- 1359US2014020741A1Solar cell and method for producing solar cellSANYO ELECTRIC CO·Filed 2013·Application pending·0 cites
- 1458US4656552ACam driven actuating mechanism for a tape playerCLARION CO LTD·Filed 1984·Granted Apr 7, 1987·9 cites·14 claims
- 1555US6717218B2Wiring structure formed in contact hole, manufacturing method therefor, and a display apparatus having the sameSANYO ELECTRIC CO·Filed 2003·Granted Apr 6, 2004·5 cites·21 claims
- 1654US5432923AMemory access control device capable of carrying out data transfer between main memory and expanded memory with simple controlNEC CORP·Filed 1993·Granted Jul 11, 1995·35 cites·3 claims
- 1753US9530913B2Solar cellSANYO ELECTRIC CO·Filed 2013·Granted Dec 27, 2016·0 cites·12 claims
- 1852US7150669B2Electroluminescent panel and a manufacturing method thereforSANYO ELECTRIC CO·Filed 2003·Granted Dec 19, 2006·5 cites·1 claims
- 1952US2014020742A1Photoelectric conversion device and method for producing photoelectric conversion deviceSANYO ELECTRIC CO·Filed 2013·Application pending·0 cites
- 2051US7121378B2Transfer ratio varying apparatusTOYODA MACHINE WORKS LTD·Filed 2003·Granted Oct 17, 2006·2 cites·16 claims
- 2151US4588431AMixed phosphatic fertilizer and process for producing the sameJAPAN METALS & CHEM CO LTD·Filed 1985·Granted May 13, 1986·7 cites·1 claims
- 2250US6501338B2Three-band switching oscillator suitable for size reductionALPS ELECTRIC CO LTD·Filed 2001·Granted Dec 31, 2002·4 cites·8 claims
- 2350US4177489ATape running mechanism provided with automatic stopping deviceCLARION CO LTD·Filed 1977·Granted Dec 4, 1979·6 cites·22 claims
- 2448US8998259B2Steering apparatusJTEKT CORP·Filed 2014·Granted Apr 7, 2015·1 cites·14 claims
- 2545US11775497B2Computer-readable recording medium storing information processing program for generating partial data lineage, method of generating partial data lineage, and information processing device for generating partial data lineageFUJITSU LTD·Filed 2022·Granted Oct 3, 2023·0 cites·5 claims
- 2645US10388813B2Solar cell modulePANASONIC IP MAN CO LTD·Filed 2017·Granted Aug 20, 2019·0 cites·5 claims
- 2744US10032948B2Solar battery modulePANASONIC IP MAN CO LTD·Filed 2017·Granted Jul 24, 2018·0 cites·6 claims
- 2842US10074762B2Solar cell module and solar cell module production methodPANASONIC IP MAN CO LTD·Filed 2017·Granted Sep 11, 2018·0 cites·6 claims
- 2942US2015332016A1Brain information processing apparatus and brain information processing methodATR ADVANCED TELECOMM RES INST·Filed 2013·Application pending·0 cites
- 3039US2004183427A1Layered structure of wire (s) formed in contact hole, a manufacturing method therefor, and a display apparatus having the sameSANYO ELECTRIC CO·Filed 2004·Application pending·0 cites
- 3138US5463891AMethod for producing ratchet devicesHASEGAWA SEIKO KK·Filed 1994·Granted Nov 7, 1995·7 cites·2 claims
- 3238US4691261AChannel changing mechanism in a tape playerCLARION CO LTD·Filed 1984·Granted Sep 1, 1987·3 cites·2 claims
- 3338US2005263856A1Semiconductor device and method of fabricating the sameSANYO ELECTRIC CO·Filed 2005·Application pending·0 cites
- 3438US2004053452A1Method of fabricating semiconductor deviceSANYO ELECTRIC CO·Filed 2003·Application pending·0 cites
- 3537US9653626B2Photoelectric conversion device and method for producing photoelectric conversion deviceSANYO ELECTRIC CO·Filed 2013·Granted May 16, 2017·0 cites·2 claims
- 3637US4614987AMode selection device of a tape deckCLARION CO LTD·Filed 1984·Granted Sep 30, 1986·4 cites·3 claims
- 3735US2015228822A1Solar cellPANASONIC IP MAN CO LTD·Filed 2015·Application pending·0 cites
- 3833US5293572ATesting system of computer by generation of an asynchronous pseudo-faultNEC CORP·Filed 1991·Granted Mar 8, 1994·5 cites·16 claims
- 3930US5412792AMethod and arrangement for controlling memory bank access requests in data processing systemNEC CORP·Filed 1993·Granted May 2, 1995·1 cites·7 claims
- 4029US5934074AHydraulic power steering apparatusTOYODA MACHINE WORKS LTD·Filed 1997·Granted Aug 10, 1999·1 cites·8 claims
Join the waitlist — get patent alerts
Get an alert when Isao Hasegawa files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →