YK

Yasuhiko Kunii

MA Maxell: 36 patents #14 of 437Top 4%
FL Fujitsu Hitachi Plasma Display Limited: 11 patents #12 of 166Top 8%
JA Jatco: 4 patents #166 of 871Top 20%
HI Hitachi: 3 patents #10,712 of 28,497Top 40%
Fujitsu Limited: 2 patents #10,930 of 24,456Top 45%
HC Hitachi Consumer Electronics Co.: 1 patents #206 of 447Top 50%
HC Hitachi Plasma Patent Licensing Co.: 1 patents #21 of 52Top 45%
Overall (All Time): #48,037 of 4,157,543Top 2%
53
Patents All Time

Issued Patents All Time

Showing 1–25 of 53 patents

Patent #TitleCo-InventorsDate
12358423 Optical device and direction display device Masahiro Kishigami, Toshinori Sugiyama, Yuji Tsuchiya, Go Shimizu, Masayoshi Takori +1 more 2025-07-15
12216278 Light source device and electronic device Koji Hirata, Toshinori Sugiyama 2025-02-04
12196570 Image projection apparatus, of a vehicle, that projects an image on a surface Takuya SHIMIZU, Hiroyuki Nakamura, Nobuyuki Kaku 2025-01-14
12071065 Image projection apparatus Toshinori Sugiyama, Takuya SHIMIZU 2024-08-27
12055716 Head-up display apparatus and image display apparatus thereof Toshinori Sugiyama, Koji Hirata, Masahiko Yatsu 2024-08-06
12050317 Light source device and electronic device Koji Hirata, Toshinori Sugiyama 2024-07-30
11780365 Optical device and direction display device Masahiro Kishigami, Toshinori Sugiyama, Yuji Tsuchiya, Go Shimizu, Masayoshi Takori +1 more 2023-10-10
11752870 Vehicle Nobuyuki Kaku, Toshinori Sugiyama, Hiroyuki Nakamura, Hiroshi Chiba, Masahiro Kishigami +4 more 2023-09-12
11738646 Information display apparatus Koji Hirata 2023-08-29
11709359 Head-up display apparatus and image display apparatus thereof Toshinori Sugiyama, Koji Hirata, Masahiko Yatsu 2023-07-25
11701994 Vehicle Nobuyuki Kaku, Masahiro Kishigami, Hiroyuki Nakamura, Megumi KURACHI, Takuya SHIMIZU 2023-07-18
11691560 Image projection apparatus Toshinori Sugiyama, Takuya SHIMIZU 2023-07-04
11571952 Head up display device and image display apparatus therefor Toshinori Sugiyama, Koji Hirata, Masahiko Yatsu, Kazuomi Kaneko 2023-02-07
11447011 Information display apparatus Koji Hirata 2022-09-20
11422367 Light source apparatus and head up display apparatus Toshinori Sugiyama, Koji Hirata, Masahiko Yatsu, Kazuomi Kaneko 2022-08-23
11414009 Image projection apparatus Toshinori Sugiyama, Takuya SHIMIZU 2022-08-16
11378244 Headlight apparatus Toshinori Sugiyama, Masahiro Kishigami 2022-07-05
11340089 Vehicle having a projector for projecting an image on a road surface Takuya SHIMIZU, Hiroyuki Nakamura, Nobuyuki Kaku 2022-05-24
11249341 Image projection apparatus Nobuyuki Kaku, Masahiro Kishigami, Hiroyuki Nakamura, Megumi KURACHI, Takuya SHIMIZU 2022-02-15
11247605 Image projection apparatus configured to project an image on a road surface Nobuyuki Kaku, Toshinori Sugiyama, Hiroyuki Nakamura, Hiroshi Chiba, Masahiro Kishigami +4 more 2022-02-15
11203283 Headlight apparatus Toshinori Sugiyama, Koji Hirata 2021-12-21
10983342 Light source apparatus and head up display apparatus Toshinori Sugiyama, Koji Hirata, Masahiko Yatsu, Kazuomi Kaneko 2021-04-20
10933800 Image projection apparatus Toshinori Sugiyama, Takuya SHIMIZU 2021-03-02
10894508 Optical device and direction display device Masahiro Kishigami, Toshinori Sugiyama, Yuji Tsuchiya, Go Shimizu, Masayoshi Takori +1 more 2021-01-19
10895744 Head-up display apparatus and image display apparatus thereof Toshinori Sugiyama, Koji Hirata, Masahiko Yatsu 2021-01-19