RY

Ryohei Yamashita

Nichia: 43 patents #13 of 1,531Top 1%
HC Hitachi Construction Machinery Co.: 8 patents #167 of 1,234Top 15%
IC Iida Denki Kogyo Co.: 1 patents #12 of 17Top 75%
KI Keiwa Incorporated: 1 patents #19 of 36Top 55%
NC Noritsu Koki Co.: 1 patents #139 of 289Top 50%
SC Sh Materials Co.: 1 patents #2 of 13Top 20%
📍 Tokushima, JP: #17 of 1,059 inventorsTop 2%
Overall (All Time): #46,408 of 4,157,543Top 2%
54
Patents All Time

Issued Patents All Time

Showing 1–25 of 54 patents

Patent #TitleCo-InventorsDate
12284852 Light emitting module Yusaku Achi 2025-04-22
12189175 Planar light source Yukihiro Miura 2025-01-07
12117691 Method of producing light-emitting device and planar light source Takuya Nakabayashi, Keiji Emura, Tsuyoshi OKAHISA, Toshinobu Katsumata 2024-10-15
11934003 Planar light source Yukihiro Miura, Masaaki Katsumata, Takashi Matsuo 2024-03-19
11719975 Light-emitting module and surface-emitting light source Toshinobu Katsumata 2023-08-08
11650365 Surface light source Toshinobu Katsumata 2023-05-16
11513389 Light emitting module Toshinobu Katsumata 2022-11-29
11508881 Light emitting module and method of manufacturing the same Mamoru Imada, Toshiaki Moriwaki, Yusaku Achi 2022-11-22
11506934 Light-emitting device and planar light source Takuya Nakabayashi, Keiji Emura, Tsuyoshi OKAHISA, Toshinobu Katsumata 2022-11-22
11493803 Display device and light-diffusing sheet stacked body Yusaku Achi, Chengheng TSAI 2022-11-08
11415741 Surface light source Toshinobu Katsumata 2022-08-16
11391878 Light emitting module Toshinobu Katsumata, Seitaro Akagawa, Toshiaki Moriwaki 2022-07-19
11380826 Light emitting module Yusaku Achi 2022-07-05
11346081 Construction machine Kazushige Mori, Shinya Imura 2022-05-31
11329201 Light-emitting device Yusaku Achi 2022-05-10
11230819 Construction machine Kazushige Mori, Shinya Imura 2022-01-25
11143807 Method of manufacturing light emitting module and light emitting module Tadao Hayashi, Yusaku Achi, Mamoru Imada 2021-10-12
11106082 Light-emitting module and surface-emitting light source Toshinobu Katsumata 2021-08-31
11106077 Light emitting module and method of manufacturing the same Mamoru Imada, Toshiaki Moriwaki, Yusaku Achi 2021-08-31
11061178 Light emitting module Toshinobu Katsumata, Seitaro Akagawa, Toshiaki Moriwaki 2021-07-13
11035994 Light-emitting module Yusaku Achi, Toshiaki Moriwaki 2021-06-15
10971657 Light emitting module and method of manufacturing the same Mamoru Imada, Toshiaki Moriwaki, Yusaku Achi 2021-04-06
10884290 Light emittng module Toshinobu Katsumata 2021-01-05
10847693 Light emitting device and lead frame with resin Seitaro Akagawa, Toshiyuki Hashimoto, Kazuki KODA, Kiyoshi KAYAMA, Yuta HORIKAWA +1 more 2020-11-24
10768353 Method of manufacturing light emitting module and light emitting module Tadao Hayashi, Yusaku Achi, Mamoru Imada 2020-09-08