TS

Takahiko Sakamoto

Nichia: 18 patents #89 of 1,531Top 6%
OC Ono Pharmaceutical Co.: 1 patents #329 of 559Top 60%
📍 Anan, JP: #33 of 306 inventorsTop 15%
Overall (All Time): #231,650 of 4,157,543Top 6%
19
Patents All Time

Issued Patents All Time

Showing 1–19 of 19 patents

Patent #TitleCo-InventorsDate
RE50614 Semiconductor light emitting element Masahiko Sano, Keiji Emura, Katsuyoshi Kadan 2025-09-30
RE49406 Semiconductor light emitting element Masahiko Sano, Keiji Emura, Katsuyoshi Kadan 2023-01-31
RE49298 Semiconductor light emitting element Masahiko Sano, Keiji Emura, Katsuyoshi Kadan 2022-11-15
8742438 Semiconductor light-emitting device, method for manufacturing the same, and light-emitting apparatus including the same Takeshi Kususe 2014-06-03
8698188 Semiconductor light emitting device and method for producing the same Yasutaka Hamaguchi, Yoshiki Inoue 2014-04-15
8674381 Nitride semiconductor light emitting device Yasutaka Hamaguchi 2014-03-18
8330179 Semiconductor light-emitting device, method for manufacturing the same, and light-emitting apparatus including the same Takeshi Kususe 2012-12-11
8120057 Semiconductor light emitting element Masahiko Sano, Keiji Emura, Katsuyoshi Kadan 2012-02-21
8035118 Semiconductor light-emitting device, method for manufacturing the same, and light-emitting apparatus including the same Takeshi Kususe 2011-10-11
7982236 Semiconductor light emitting element Masahiko Sano, Keiji Emura, Katsuyoshi Kadan 2011-07-19
7947996 Semiconductor light emitting element Masahiko Onishi, Yoshiki Inoue 2011-05-24
7884379 Nitride semiconductor light emitting device Yasutaka Hamaguchi 2011-02-08
7791098 Nitride semiconductor light emitting device Yasutaka Hamaguchi 2010-09-07
7615798 Semiconductor light emitting device having an electrode made of a conductive oxide Daisuke Sanga, Takeshi Kususe, Hisashi Kasai 2009-11-10
7560475 Phenylacetic acid derivative, process for producing the same, and use Shinya Kusuda, Yoshisuke Nakayama, Hisao Tajima 2009-07-14
7511311 Semiconductor light-emitting device, method for manufacturing the same, and light-emitting apparatus including the same Takeshi Kususe 2009-03-31
7495259 Light-emitting diode Takeshi Kususe 2009-02-24
7358544 Nitride semiconductor light emitting device Yasutaka Hamaguchi 2008-04-15
7075115 Light-emitting diode Takeshi Kususe 2006-07-11