HK

Hiroyuki Kajikawa

MA Maxell: 12 patents #48 of 437Top 15%
HS Hitachi Industry & Control Solutions: 2 patents #12 of 84Top 15%
HM Hitachi Maxell: 1 patents #659 of 1,211Top 55%
Overall (All Time): #371,334 of 4,157,543Top 9%
13
Patents All Time

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
11752870 Vehicle Yasuhiko Kunii, Nobuyuki Kaku, Toshinori Sugiyama, Hiroyuki Nakamura, Hiroshi Chiba +4 more 2023-09-12
11561394 Information display apparatus and reflecting mirror used therein Koji Hirata, Masahiko Yatsu, Shuji Kato, Toshinori Sugiyama, Michiaki ABE +1 more 2023-01-24
11247605 Image projection apparatus configured to project an image on a road surface Yasuhiko Kunii, Nobuyuki Kaku, Toshinori Sugiyama, Hiroyuki Nakamura, Hiroshi Chiba +4 more 2022-02-15
11148584 Vehicular lighting apparatus Koji Hirata, Masahiko Yatsu, Hiroyuki Nakamura 2021-10-19
10942353 Information display device Koji Hirata, Masahiko Yatsu, Toshinori Sugiyama, Kazuomi Kaneko 2021-03-09
10852538 Head-up display Toshimitsu Watanabe, Tomoki Yamamoto, Takumi Nakada 2020-12-01
10670864 Information display device Koji Hirata, Masahiko Yatsu, Toshinori Sugiyama, Kazuomi Kaneko 2020-06-02
10647248 Image projection apparatus Yasuhiko Kunii, Nobuyuki Kaku, Toshinori Sugiyama, Hiroyuki Nakamura, Hiroshi Chiba +4 more 2020-05-12
10457199 Image projection apparatus Yasuhiko Kunii, Nobuyuki Kaku, Toshinori Sugiyama, Hiroyuki Nakamura, Hiroshi Chiba +4 more 2019-10-29
10309602 Vehicular lighting apparatus Koji Hirata, Masahiko Yatsu, Hiroyuki Nakamura 2019-06-04
10100995 Vehicular lighting apparatus Koji Hirata, Masahiko Yatsu, Hiroyuki Nakamura 2018-10-16
10066802 Vehicular lighting apparatus Koji Hirata, Masahiko Yatsu, Hiroyuki Nakamura 2018-09-04
9915764 Diffractive lens and optical device using the same Takeshi Shimano 2018-03-13