TK

Toshinobu Katsumata

Nichia: 24 patents #45 of 1,531Top 3%
CC Citizen Electronics Co.: 5 patents #67 of 252Top 30%
CC Citizen Watch Co.: 4 patents #269 of 1,225Top 25%
📍 Yamanashi, JP: #109 of 1,957 inventorsTop 6%
Overall (All Time): #122,748 of 4,157,543Top 3%
30
Patents All Time

Issued Patents All Time

Showing 1–25 of 30 patents

Patent #TitleCo-InventorsDate
12125953 Method for manufacturing light emitting device, light emitting device, and light emitting module Shimpei Sasaoka, Toshiyuki Hashimoto, Naoya Kashiwagi 2024-10-22
12117691 Method of producing light-emitting device and planar light source Takuya Nakabayashi, Ryohei Yamashita, Keiji Emura, Tsuyoshi OKAHISA 2024-10-15
11901498 Light-emitting unit and surface-emission light source Takuya Nakabayashi, Noriaki Hiraide 2024-02-13
11799064 Light-emitting unit and surface-emission light source Takuya Nakabayashi, Noriaki Hiraide 2023-10-24
11777055 Light emitting device Shimpei Sasaoka, Toshiyuki Hashimoto, Yoshihiro Sho 2023-10-03
11754878 Backlight device Takumi Miyashita, Kiyokazu Watanabe, Takuma Horiuchi 2023-09-12
11719975 Light-emitting module and surface-emitting light source Ryohei Yamashita 2023-08-08
11703714 Light-emitting module, surface light source, and liquid-crystal display device Keiji Emura 2023-07-18
11681181 Backlight device Takumi Miyashita, Kiyokazu Watanabe, Takuma Horiuchi 2023-06-20
11650455 Planar light source Toshiyuki Hashimoto, Naoya Kashiwagi 2023-05-16
11650365 Surface light source Ryohei Yamashita 2023-05-16
11594665 Light-emitting unit and surface-emission light source Takuya Nakabayashi, Noriaki Hiraide 2023-02-28
11513389 Light emitting module Ryohei Yamashita 2022-11-29
11506934 Light-emitting device and planar light source Takuya Nakabayashi, Ryohei Yamashita, Keiji Emura, Tsuyoshi OKAHISA 2022-11-22
11506932 Light-emitting module, surface light source, and liquid-crystal display device Keiji Emura 2022-11-22
11428984 Planar light source and liquid crystal display device Toshiyuki Hashimoto, Naoya Kashiwagi 2022-08-30
11415741 Surface light source Ryohei Yamashita 2022-08-16
11393965 Light-emitting unit and surface-emission light source Takuya Nakabayashi, Noriaki Hiraide 2022-07-19
11391878 Light emitting module Ryohei Yamashita, Seitaro Akagawa, Toshiaki Moriwaki 2022-07-19
11205744 Light emitting device Shimpei Sasaoka, Toshiyuki Hashimoto, Yoshihiro Sho 2021-12-21
11106082 Light-emitting module and surface-emitting light source Ryohei Yamashita 2021-08-31
11086063 Planar light unit Junji Miyashita 2021-08-10
11069831 Light emitting device Shimpei Sasaoka, Toshiyuki Hashimoto, Yoshihiro Sho 2021-07-20
11061178 Light emitting module Ryohei Yamashita, Seitaro Akagawa, Toshiaki Moriwaki 2021-07-13
10884290 Light emittng module Ryohei Yamashita 2021-01-05