HK

Hidekazu Kawanishi

SO Sony: 15 patents #2,858 of 25,231Top 15%
OC Oki Electric Industry Co.: 1 patents #1,459 of 2,807Top 55%
Overall (All Time): #281,331 of 4,157,543Top 7%
16
Patents All Time

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDate
12191628 Semiconductor light emitting device Yoshiro Takiguchi, Hisayoshi Motobayashi, Hiroyuki Miyahara, Masahiro Murayama 2025-01-07
12044956 Light-emitting device and projection display apparatus Hisayoshi Motobayashi, Yoshiro Takiguchi, Masahiro Murayama, Hiroyuki Miyahara, Hitoshi Domon 2024-07-23
11984533 Light emitting device using a gallium nitride (GaN) based material Kunihiko Tasai, Hiroshi Nakajima, Katsunori Yanashima 2024-05-14
11710942 Method of manufacturing light-emitting module, light-emitting module, and device Jugo Mitomo, Kei Satou 2023-07-25
11411372 Light emitting element and manufacturing method therefor Tatsushi Hamaguchi, Jugo Mitomo, Susumu Sato, Hiroshi Nakajima, Masamichi Ito 2022-08-09
11374384 Light-emitting device and method of manufacturing light-emitting device Susumu Sato, Tatsushi Hamaguchi, Jugo Mitomo, Hiroshi Nakajima, Masamichi Ito 2022-06-28
11309686 Surface emitting laser and method of manufacturing the same Hiroshi Nakajima, Tatsushi Hamaguchi, Jugo Mitomo, Susumu Sato, Masamichi Ito 2022-04-19
11011888 Light-emitting device and light-emitting apparatus Jugo Mitomo, Tatsushi Hamaguchi, Hiroshi Nakajima, Masamichi Ito, Susumu Sato 2021-05-18
10541509 Semiconductor light emitting device Masahiro Murayama 2020-01-21
10263141 Semiconductor light-emitting device and method of manufacturing semiconductor light-emitting device Yuuki ISOBE 2019-04-16
9660420 Laser diode Toshiyuki Obata 2017-05-23
9112333 Laser diode Toshiyuki Obata 2015-08-18
8279906 Laser diode and method of manufacturing the same Junji Sawahata 2012-10-02
8264841 Heat sink and laser diode Kenji Sasaki, Yuichi Hamaguchi 2012-09-11
8208510 Semiconductor laser device and heat sink used therein Kenji Sasaki, Yuichi Hamaguchi 2012-06-26
6343163 Electro-absorption modulator and method of manufacturing a semiconductor optical device 2002-01-29