Inventor · disambiguated record
Takuya Hara
Also filed as: HARA TAKUYA
55 granted patents·24 pending applications·636 citations·filing 1995–2025
98Inventor score
Top patents by PatentIndex Score
79 records- 0194US6782921B1High-strength steel pipe excellent in formability and burst resistanceNIPPON STEEL CORP·Filed 2001·Granted Aug 31, 2004·29 cites·4 claims
- 0293US6264760B1Ultra-high strength, weldable steels with excellent ultra-low temperature toughnessEXXONMOBIL UPSTREAM RES CO·Filed 1998·Granted Jul 24, 2001·67 cites·40 claims
- 0391US8039118B2Welded steel pipe for high strength line pipe superior in low temperature toughness and method of production of the sameNIPPON STEEL CORP·Filed 2007·Granted Oct 18, 2011·9 cites·17 claims
- 0491US6248191B1Method for producing ultra-high strength, weldable steels with superior toughnessEXXONMOBIL UPSTREAM RES CO·Filed 1998·Granted Jun 19, 2001·41 cites·21 claims
- 0590US6224689B1Ultra-high strength, weldable, essentially boron-free steels with superior toughnessEXXONMOBIL UPSTREAM RES CO·Filed 1998·Granted May 1, 2001·37 cites·14 claims
- 0689US6532995B1Super-high-strength line pipe excellent in low temperature toughness and production method thereofNIPPON STEEL CORP·Filed 2000·Granted Mar 18, 2003·28 cites·4 claims
- 0788US11121160B2Photoelectric conversion apparatus and equipment comprising a light shielding part in a light receiving region and a light shielding film in a light shielded regionCANON KK·Filed 2019·Granted Sep 14, 2021·3 cites·25 claims
- 0888US6228183B1Ultra-high strength, weldable, boron-containing steels with superior toughnessEXXONMOBIL UPSTREAM RES CO·Filed 1998·Granted May 8, 2001·44 cites·15 claims
- 0988US5798004AWeldable high strength steel having excellent low temperature toughnessNIPPON STEEL CORP·Filed 1996·Granted Aug 25, 1998·45 cites·9 claims
- 1088US5755895AHigh strength line pipe steel having low yield ratio and excellent in low temperature toughnessNIPPON STEEL CORP·Filed 1996·Granted May 26, 1998·114 cites·12 claims
- 1186US8715430B2High strength steel plate and high strength welded pipe excellent in ductile fracture characteristic and methods of production of sameHARA TAKUYA·Filed 2005·Granted May 6, 2014·6 cites·8 claims
- 1285US8974610B2High-strength welded steel pipe and method for producing the sameFUJISHIRO TAISHI·Filed 2011·Granted Mar 10, 2015·4 cites·9 claims
- 1384US8764918B2High strength steel pipe for line pipe superior in low temperature toughness and high strength steel plate for line pipe and methods of production of the sameHARA TAKUYA·Filed 2007·Granted Jul 1, 2014·4 cites·12 claims
- 1484US8326138B2Imaging apparatusYOSHII MASAYUKI·Filed 2011·Granted Dec 4, 2012·9 cites·6 claims
- 1581US5985053ASteel having improved toughness in welding heat-affected zoneNIPPON STEEL CORP·Filed 1997·Granted Nov 16, 1999·32 cites·3 claims
- 1679US11292908B2Easy-to-tear, unstretched resin film and laminate film for packaging material using the sameTOYO SEIKAN GROUP HOLDINGS LTD·Filed 2017·Granted Apr 5, 2022·2 cites·3 claims
- 1778US8110292B2High strength steel plate, steel pipe with excellent low temperature toughness, and method of production of sameFUJISHIRO TAISHI·Filed 2009·Granted Feb 7, 2012·4 cites·8 claims
- 1878US5820699AMartensitic stainless steel having excellent hot workability and sulfide stress cracking resistanceNIPPON STEEL CORP·Filed 1995·Granted Oct 13, 1998·21 cites·4 claims
- 1975US8084144B2High strength thick welded steel pipe for line pipe superior in low temperature toughness and method of production of the sameHARA TAKUYA·Filed 2007·Granted Dec 27, 2011·8 cites·16 claims
- 2075US7301763B2Electronic deviceSONY CORP·Filed 2006·Granted Nov 27, 2007·4 cites·8 claims
- 2174US9062363B2Method of production of hot coil for line pipeNIPPON STEEL & SUMITOMO METAL CORP·Filed 2012·Granted Jun 23, 2015·1 cites·5 claims
- 2274US7753525B2Ophthalmic apparatusKOWA CO·Filed 2008·Granted Jul 13, 2010·11 cites·3 claims
- 2373US9826897B2PerimeterKOWA CO·Filed 2015·Granted Nov 28, 2017·2 cites·20 claims
- 2473US8653400B2High strength welded steel tube superior in hydrogen embrittlement cracking resistance of weld metal and method of production of sameTSURU EIJI·Filed 2006·Granted Feb 18, 2014·3 cites·6 claims
- 2573US8562762B2High strength hot rolled steel products for line-pipes excellent in low temperature toughness and production method of the sameYOKOI TATSUO·Filed 2008·Granted Oct 22, 2013·2 cites·7 claims
- 2673US7601231B2High-strength steel pipe excellent in low temperature toughness and toughness at weld heat-affected zoneNIPPON STEEL CORP·Filed 2003·Granted Oct 13, 2009·8 cites·7 claims
- 2773US7393104B2Ophthalmic testing unit and ophthalmic testing equipmentKOWA CO·Filed 2005·Granted Jul 1, 2008·13 cites·5 claims
- 2870US9719615B2High strength steel pipe for line pipe superior in low temperature toughness and high strength steel plate for line pipe and methods of production of the sameNIPPON STEEL & SUMITOMO METAL CORP·Filed 2014·Granted Aug 1, 2017·0 cites·11 claims
- 2970US7942528B2PerimeterKOWA CO·Filed 2009·Granted May 17, 2011·7 cites·4 claims
- 3069US8070887B2High-strength steel sheet and high-strength steel pipe excellent in deformability and method for producing the sameASAHI HITOSHI·Filed 2003·Granted Dec 6, 2011·8 cites·3 claims
- 3168US12363462B2Photoelectric conversion apparatus, photoelectric conversion system, and moving bodyCANON KK·Filed 2023·Granted Jul 15, 2025·0 cites·17 claims
- 3268US7695141B2Ocular light stimulus apparatusKOWA CO·Filed 2008·Granted Apr 13, 2010·6 cites·11 claims
- 3367US7133277B2Electronic deviceSONY CORP·Filed 2003·Granted Nov 7, 2006·11 cites·1 claims
- 3467US2024408845A1Method for producing laminated film, laminated film, and packaging containerTOYO SEIKAN CO LTD·Filed 2024·Application pending·0 cites
- 3566US8002479B2Imaging apparatusSONY CORP·Filed 2010·Granted Aug 23, 2011·2 cites·10 claims
- 3665US5716465AHigh-corrosion-resistant martensitic stainless steel having excellent weldability and process for producing the sameNIPPON STEEL CORP·Filed 1995·Granted Feb 10, 1998·15 cites·16 claims
- 3765US2025320392A1Multilayer film using solventless adhesive, method for producing same, and packaging containerTOYO SEIKAN CO LTD·Filed 2025·Application pending·0 cites
- 3864US7736447B2Steel plates for ultra-high-strength linepipes and ultra-high-strength linepipes having excellent low-temperature toughness and manufacturing methods thereofNIPPON STEEL CORP·Filed 2004·Granted Jun 15, 2010·4 cites·22 claims
- 3963US2025057755A1Composition for keratin fibersOREAL·Filed 2022·Application pending·0 cites
- 4062US12316993B2Photoelectric conversion apparatusCANON KK·Filed 2023·Granted May 27, 2025·0 cites·15 claims
- 4161USD709199SPerimeterKAMBE NAOKI·Filed 2011·Granted Jul 15, 2014·15 cites·1 claims
- 4260US9622653B2PerimeterKOWA CO·Filed 2013·Granted Apr 18, 2017·1 cites·4 claims
- 4360US8049131B2Ultrahigh strength welded joint and ultrahigh strength welded steel pipe excellent in cold cracking resistance of weld metal, and methods for producing the sameNIPPON STEEL CORP·Filed 2004·Granted Nov 1, 2011·6 cites·2 claims
- 4460US2024088190A1Photoelectric conversion apparatus, device, and method for manufacturing photoelectric conversion apparatusCANON KK·Filed 2023·Application pending·0 cites
- 4559US11605665B2Semiconductor apparatus and method for producing semiconductor apparatusCANON KK·Filed 2020·Granted Mar 14, 2023·0 cites·7 claims
- 4659US2024021648A1Semiconductor deviceCANON KK·Filed 2023·Application pending·0 cites
- 4759US2024218492A1Electric resistance welded steel pipe for mechanical structural components, and method for producing sameNIPPON STEEL CORP·Filed 2021·Application pending·0 cites
- 4858US8727535B2Perimeter and method of controlling perimeterHARA TAKUYA·Filed 2010·Granted May 20, 2014·1 cites·3 claims
- 4958US8157379B2Perimeter and method of controlling perimeterHARA TAKUYA·Filed 2010·Granted Apr 17, 2012·1 cites·5 claims
- 5058US2023404872A1Composition for keratin fibersOREAL·Filed 2021·Application pending·0 cites
Showing the top 50 of 79 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →