Inventor · disambiguated record
Hirofumi Nagano
Also filed as: NAGANO HIROFUMI
32 granted patents·11 pending applications·780 citations·filing 1994–2023
98Inventor score
Top patents by PatentIndex Score
43 records- 0198US6930977B1Optical information recording medium, and substrate and manufacturing method for the optical information recording mediumVICTOR COMPANY OF JAPAN·Filed 2000·Granted Aug 16, 2005·82 cites·22 claims
- 0298US5570339AOptical disc and a recording and/or reproducing apparatus having copy-protection functionVICTOR COMPANY OF JAPAN·Filed 1994·Granted Oct 29, 1996·142 cites·2 claims
- 0397US7072285B2Optical information recording medium, and substrate and manufacturing method for the optical information recording mediumVICTOR COMPANY OF JAPAN·Filed 2005·Granted Jul 4, 2006·32 cites·6 claims
- 0496US7406026B2Optical information recording medium, and substrate and manufacturing method for the optical information recording mediumVICTOR COMPANY OF JAPAN·Filed 2006·Granted Jul 29, 2008·18 cites·4 claims
- 0596US5696757AOptical disc, device for checking optical disc and device for recording information on optical discVICTOR COMPANY OF JAPAN·Filed 1996·Granted Dec 9, 1997·145 cites·38 claims
- 0696US5572507AOptical disc, device for checking optical disc, and device for recording information on optical discVICTOR COMPANY OF JAPAN·Filed 1995·Granted Nov 5, 1996·124 cites·7 claims
- 0795US7672216B2Optical information recording medium, and substrate and manufacturing method for the optical information recording mediumVICTOR COMPANY OF JAPAN·Filed 2008·Granted Mar 2, 2010·12 cites·4 claims
- 0895US7457228B2Optical information recording medium, and substrate and manufacturing method for the optical information recording mediumVICTOR COMPANY OF JAPAN·Filed 2005·Granted Nov 25, 2008·14 cites·5 claims
- 0990US7911931B2Optical information recording medium, and substrate and manufacturing method for the optical information recording mediumVICTOR COMPANY OF JAPAN·Filed 2009·Granted Mar 22, 2011·4 cites·5 claims
- 1090US7664007B2Optical information recording medium, and substrate and manufacturing method for the optical information recording mediumVICTOR COMPANY OF JAPAN·Filed 2008·Granted Feb 16, 2010·4 cites·2 claims
- 1190US6122245AOptical recording medium and reproducing apparatus for optical recording mediumVICTOR COMPANY OF JAPAN·Filed 1998·Granted Sep 19, 2000·53 cites·9 claims
- 1287US6380566B1Semiconductor device having FET structure with high breakdown voltageTOSHIBA KK·Filed 2000·Granted Apr 30, 2002·44 cites·20 claims
- 1386US7656785B2Optical information recording medium, and substrate and manufacturing method for the optical information recording mediumVICTOR COMPANY OF JAPAN·Filed 2008·Granted Feb 2, 2010·2 cites·4 claims
- 1485US7656782B2Optical information recording medium, and substrate and manufacturing method for the optical information recording mediumVICTOR COMPANY OF JAPAN·Filed 2008·Granted Feb 2, 2010·2 cites·2 claims
- 1585US7656783B2Optical information recording medium, and substrate and manufacturing method for the optical information recording mediumVICTOR COMPANY OF JAPAN·Filed 2008·Granted Feb 2, 2010·2 cites·2 claims
- 1685US7656784B2Optical information recording medium, and substrate and manufacturing method for the optical information recording mediumVICTOR COMPANY OF JAPAN·Filed 2008·Granted Feb 2, 2010·2 cites·2 claims
- 1785US7406025B2Optical information recording medium, and substrate and manufacturing method for the optical information recording mediumVICTOR COMPANY OF JAPAN·Filed 2006·Granted Jul 29, 2008·2 cites·4 claims
- 1884US5841861AOptical recording medium and reproducing apparatus for optical recording mediumVICTOR COMPANY OF JAPAN·Filed 1996·Granted Nov 24, 1998·35 cites·5 claims
- 1983US8335151B2Optical information recording medium, and substrate and manufacturing method for the optical information recording mediumKONDO TETSUYA·Filed 2012·Granted Dec 18, 2012·2 cites·3 claims
- 2083US8335150B2Optical information recording medium, and substrate and manufacturing method for the optical information recording mediumKONDO TETSUYA·Filed 2012·Granted Dec 18, 2012·2 cites·3 claims
- 2183US8223621B2Optical information recording medium, and substrate and manufacturing method for the optical information recording mediumKONDO TETSUYA·Filed 2011·Granted Jul 17, 2012·2 cites·2 claims
- 2283US8139470B2Optical information recording medium, and substrate and manufacturing method for the optical information recording mediumKONDO TETSUYA·Filed 2011·Granted Mar 20, 2012·2 cites·2 claims
- 2382US8304827B2Semiconductor device having on a substrate a diode formed by making use of a DMOS structureNAKAMURA YUKI·Filed 2009·Granted Nov 6, 2012·12 cites·12 claims
- 2482US7889631B2Optical information recording medium, and substrate and manufacturing method for the optical information recording mediumVICTOR COMPANY OF JAPAN·Filed 2010·Granted Feb 15, 2011·2 cites·3 claims
- 2578US11682009B2Resource accommodation assistance system, resource accommodation assistance method, and resource accommodation assistance apparatusHITACHI LTD·Filed 2018·Granted Jun 20, 2023·2 cites·1 claims
- 2675US6563193B1Semiconductor deviceTOSHIBA KK·Filed 2000·Granted May 13, 2003·22 cites·23 claims
- 2767US8537654B2Optical information recording medium, and substrate and manufacturing method for the optical information recording mediumJVC KENWOOD CORP·Filed 2012·Granted Sep 17, 2013·0 cites·2 claims
- 2867US8520490B2Optical information recording medium, and substrate and manufacturing method for the optical information recording mediumJVC KENWOOD CORP·Filed 2012·Granted Aug 27, 2013·0 cites·2 claims
- 2965US2013336100A1Optical information recording medium, and substrate and manufacturing method for the optical information recording mediumJVC KENWOOD CORP·Filed 2013·Application pending·0 cites
- 3062US6708878B2Service providing methodHITACHI LTD·Filed 2001·Granted Mar 23, 2004·3 cites·30 claims
- 3155US6188653B1Optical storage medium and apparatus and method of reproducing data therefrom using different laser powerVICTOR COMPANY OF JAPAN·Filed 1998·Granted Feb 13, 2001·12 cites·26 claims
- 3255US2024313055A1Semiconductor device and power conversion deviceTOSHIBA KK·Filed 2023·Application pending·0 cites
- 3353US2022156743A1Credit analysis assistance method, credit analysis assistance system, and nodeHITACHI LTD·Filed 2019·Application pending·0 cites
- 3450US2006015410A1Information registering method, information managing apparatus and advertisement displaying systemNAGANO HIROFUMI·Filed 2005·Application pending·0 cites
- 3547US2019078902A1Congestion avoidance support system and congestion avoidance support methodHITACHI LTD·Filed 2018·Application pending·0 cites
- 3647US2019012623A1Trade management method, trade management system and trade management deviceHITACHI LTD·Filed 2018·Application pending·0 cites
- 3746US11880478B2Distribution management apparatus, distribution management system, and distribution management methodHITACHI LTD·Filed 2019·Granted Jan 23, 2024·0 cites·8 claims
- 3846US2006020513A1System and method for providing informationNAGANO HIROFUMI·Filed 2005·Application pending·0 cites
- 3946US2005278643A1Display control apparatus, information display apparatus, display system, display control program and display control methodHITACHI LTD·Filed 2005·Application pending·0 cites
- 4043US2005223099A1Image display systemMORITA TOSHIYUKI·Filed 2005·Application pending·0 cites
- 4139US10727333B2Semiconductor device including laterally diffused metal-oxide-semiconductor field effect transistor and method for manufacturing the sameTOSHIBA KK·Filed 2017·Granted Jul 28, 2020·0 cites·11 claims
- 4239US2019080422A1Revenue allocation system and revenue allocation methodHITACHI LTD·Filed 2018·Application pending·0 cites
- 4338US2021065309A1Accounting Management Apparatus, Method and SystemHITACHI LTD·Filed 2020·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →