YA

Yusaku Achi

Nichia: 27 patents #34 of 1,531Top 3%
KI Keiwa Incorporated: 1 patents #19 of 36Top 55%
📍 Tokushima, JP: #46 of 1,059 inventorsTop 5%
Overall (All Time): #142,094 of 4,157,543Top 4%
27
Patents All Time

Issued Patents All Time

Showing 1–25 of 27 patents

Patent #TitleCo-InventorsDate
12284852 Light emitting module Ryohei Yamashita 2025-04-22
11757063 Method for manufacturing linear light source 2023-09-12
11581460 Light emitting module and method for manufacturing light emitting module 2023-02-14
11508881 Light emitting module and method of manufacturing the same Mamoru Imada, Toshiaki Moriwaki, Ryohei Yamashita 2022-11-22
11493803 Display device and light-diffusing sheet stacked body Ryohei Yamashita, Chengheng TSAI 2022-11-08
11380826 Light emitting module Ryohei Yamashita 2022-07-05
11329201 Light-emitting device Ryohei Yamashita 2022-05-10
11221519 Light emitting module Mamoru Imada, Toshiaki Moriwaki 2022-01-11
11143807 Method of manufacturing light emitting module and light emitting module Tadao Hayashi, Ryohei Yamashita, Mamoru Imada 2021-10-12
11143808 Light emitting module Toshiaki Moriwaki 2021-10-12
11106077 Light emitting module and method of manufacturing the same Mamoru Imada, Toshiaki Moriwaki, Ryohei Yamashita 2021-08-31
11092731 Light emitting module and planar light source having a light guide with cavity and flourescent material disposed on a surface of cavity and light guide Mamoru Imada 2021-08-17
11035994 Light-emitting module Toshiaki Moriwaki, Ryohei Yamashita 2021-06-15
10971657 Light emitting module and method of manufacturing the same Mamoru Imada, Toshiaki Moriwaki, Ryohei Yamashita 2021-04-06
10775669 Light emitting module Mamoru Imada, Toshiaki Moriwaki 2020-09-15
10768353 Method of manufacturing light emitting module and light emitting module Tadao Hayashi, Ryohei Yamashita, Mamoru Imada 2020-09-08
10739507 Light emitting module and planar light source having a light guide with cavity and fluorescent material disposed on a surface of cavity and light guide Mamoru Imada 2020-08-11
10495808 Backlight unit and method of lighiting backlight unit Hiroto Itoi, Ryosuke Wakaki, Ken Katsuragi, Shingo Masui 2019-12-03
10466537 Surface light source device and transmission display device Kazuhiro Kamada, Tomohisa Kishimoto, Satoshi YOSHINAGA 2019-11-05
10345647 Surface light source device and transmission display device Kazuhiro Kamada, Tomohisa Kishimoto, Satoshi YOSHINAGA 2019-07-09
10281642 Backlight unit and liquid crystal display device Hiroto Itoi, Ryosuke Wakaki, Ken Katsuragi, Shingo Masui 2019-05-07
10274667 Light-emitting device with two green light-emitting elements with different peak wavelengths and backlight including light-emitting device Seitaro Akagawa, Takeshi Morikawa, Kentaro Nishigaki 2019-04-30
10121941 Light source device Daisuke Iwakura, Masaki Hayashi, Shoji Hosokawa 2018-11-06
9995870 Backlight unit and liquid crystal display device Hiroto Itoi, Ryosuke Wakaki, Ken Katsuragi, Shingo Masui 2018-06-12
9851487 Backlight device Daisuke Iwakura 2017-12-26