RK

Ryuya Kawaji

MA Maxell: 5 patents #120 of 437Top 30%
Honda Motor Co.: 3 patents #6,619 of 21,052Top 35%
Overall (All Time): #604,784 of 4,157,543Top 15%
8
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12358423 Optical device and direction display device Masahiro Kishigami, Toshinori Sugiyama, Yasuhiko Kunii, Yuji Tsuchiya, Go Shimizu +1 more 2025-07-15
11780365 Optical device and direction display device Masahiro Kishigami, Toshinori Sugiyama, Yasuhiko Kunii, Yuji Tsuchiya, Go Shimizu +1 more 2023-10-10
11447064 Vehicle body side structure Masayoshi Takori, Naoto Inoue, Go Shimizu, Yuji Tsuchiya 2022-09-20
10894508 Optical device and direction display device Masahiro Kishigami, Toshinori Sugiyama, Yasuhiko Kunii, Yuji Tsuchiya, Go Shimizu +1 more 2021-01-19
10829036 Road sign projector and vehicle lamp Toshinori Sugiyama, Yasuhiko Kunii, Koji Hirata, Masahiro Kishigami, Yuji Tsuchiya +2 more 2020-11-10
10661706 Optical device and direction display device Masahiro Kishigami, Toshinori Sugiyama, Yasuhiko Kunii, Yuji Tsuchiya, Go Shimizu +1 more 2020-05-26
10386036 Vehicle body structure Akira Ono, Shunichi Nakano 2019-08-20
10295143 Light unit and vehicle Naoto Inoue, Go Shimizu, Shunichi Nakano 2019-05-21