KH

Koji Hirata

HI Hitachi: 133 patents #13 of 28,497Top 1%
MA Maxell: 75 patents #5 of 437Top 2%
HC Hitachi Consumer Electronics Co.: 21 patents #1 of 447Top 1%
HS Hitachi Industry & Control Solutions: 19 patents #1 of 84Top 2%
HM Hitachi Maxell: 18 patents #29 of 1,211Top 3%
TC Toyoda Gosei Co.: 13 patents #163 of 2,296Top 8%
Fujitsu Limited: 5 patents #6,029 of 24,456Top 25%
NI Ngk Insulators: 4 patents #658 of 2,083Top 35%
DC Dowa Electronics Materials Co.: 4 patents #58 of 241Top 25%
PA Panasonic: 3 patents #7,617 of 21,108Top 40%
HC Hitachi Ulsi Systems Co.: 3 patents #305 of 867Top 40%
OU Osaka University: 3 patents #231 of 1,984Top 15%
DE Dexerials: 2 patents #177 of 387Top 50%
UA Umg Abs: 2 patents #8 of 33Top 25%
SC Sumitomo Chemical: 1 patents #2,469 of 4,033Top 65%
KC Koha Co.: 1 patents #34 of 58Top 60%
HE Hitachi Vlsi Engineering: 1 patents #390 of 666Top 60%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #1,563 of 4,157,543Top 1%
277
Patents All Time

Issued Patents All Time

Showing 25 most recent of 277 patents

Patent #TitleCo-InventorsDate
12406639 Information display apparatus Akio MISAWA, Takumi Nakada 2025-09-02
12352959 Projection optical system and head-up display device and vehicle including projection optical system and head-up display device Masahiko Yatsu, Shigeki Hoshino 2025-07-08
12332435 Vehicle Tomoki Yamamoto, Toshinori Sugiyama, Masahiko Yatsu 2025-06-17
12325302 Light source apparatus, and information display system and head-up display apparatus using the same Toshinori Sugiyama, Koji Fujita, Kouichi Kajiwara, Eiji Takagi 2025-06-10
12286012 Information display system and vehicle information display system using the same Koji Fujita, Toshinori Sugiyama, Eiji Takagi 2025-04-29
12287480 Information display apparatus Masahiko Yatsu, Toshinori Sugiyama, Kazuomi Kaneko 2025-04-29
12270993 Vehicle information display apparatus and information display system for vehicle Koji Fujita 2025-04-08
12216278 Light source device and electronic device Toshinori Sugiyama, Yasuhiko Kunii 2025-02-04
12204104 Vehicle Akio MISAWA, Nozomu Shimoda, Kazuomi Kaneko, Toshinori Sugiyama 2025-01-21
12204101 Information display apparatus Masahiko Yatsu, Toshinori Sugiyama, Kazuomi Kaneko, Shigeki Hoshino 2025-01-21
12118136 Air floating video display apparatus Hiroaki Takahashi, Koji Fujita, Toshinori Sugiyama 2024-10-15
12112724 Information display apparatus Akio MISAWA, Takumi Nakada 2024-10-08
12055716 Head-up display apparatus and image display apparatus thereof Toshinori Sugiyama, Yasuhiko Kunii, Masahiko Yatsu 2024-08-06
12055714 Projection optical system and head-up display device Masahiko Yatsu, Shigeki Hoshino 2024-08-06
12050317 Light source device and electronic device Toshinori Sugiyama, Yasuhiko Kunii 2024-07-30
12038644 Light source apparatus and information display system using the same Toshinori Sugiyama, Koji Fujita, Eiji Takagi 2024-07-16
12038580 In-vehicle information display system and information display apparatus Koji Fujita, Eiji Takagi, Toshinori Sugiyama 2024-07-16
11933980 Information display apparatus Masahiko Yatsu, Toshinori Sugiyama, Kazuomi Kaneko 2024-03-19
11921287 Information display apparatus Tomoki Yamamoto, Toshinori Sugiyama, Masahiko Yatsu 2024-03-05
11880125 Information display system having acute-angled diffusion characteristics and image light control film used for the same Toshinori Sugiyama, Koji Fujita, Eiji Takagi 2024-01-23
11878586 Information display apparatus and spatial sensing apparatus Koji Fujita, Eiji Takagi 2024-01-23
11846776 Head-up display apparatus Akio MISAWA, Nozomu Shimoda, Kazuomi Kaneko, Toshinori Sugiyama 2023-12-19
11828938 Information display apparatus Masahiko Yatsu, Toshinori Sugiyama, Kazuomi Kaneko, Shigeki Hoshino 2023-11-28
11763781 Information display apparatus Akio MISAWA, Takumi Nakada 2023-09-19
11738646 Information display apparatus Yasuhiko Kunii 2023-08-29