RK

Ryuji Kurihara

HI Hitachi: 6 patents #6,582 of 28,497Top 25%
Sharp Kabushiki Kaisha: 4 patents #3,475 of 10,731Top 35%
HA Hitachi Astemo: 2 patents #393 of 1,276Top 35%
HS Hitachi Automotive Systems: 1 patents #965 of 1,636Top 60%
Overall (All Time): #374,354 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11444551 Power conversion device with inverter circuit Takashi Ogura, Ryoichi Inada 2022-09-13
11303223 Detector and power conversion apparatus Isao Hoda, Jia Li, Hiroki Funato 2022-04-12
11011996 Power converter Akira Ishii, Hiroyuki Saito, Yutaka Okubo, Yuji Sobu 2021-05-18
8593582 Active matrix substrate and display device Yuhko Hisada, Toshihide Tsubata, Masanori Takeuchi, Tomokazu Ohtsubo 2013-11-26
8153903 Circuit board and image display apparatus Akihiko Kanouda, Fusao Sakuramori, Takeshi Mochizuki, Yoshihiko Sugawara, Masami Joraku 2012-04-10
8031282 Active matrix substrate and display device Yuhko Hisada, Toshihide Tsubata, Masanori Takeuchi, Tomokazu Ohtsubo 2011-10-04
7695160 Projector light source and projection type image display device using the same Koji Hirata, Kobuo Masuoka 2010-04-13
7586563 Color filter substrate and liquid crystal display device Tsuyoshi Tokuda, Toshifumi Yagi, Toshihide Tsubata, Yoshinori Kinai 2009-09-08
7375773 Active matrix substrate and display device Yuhko Hisada, Toshihide Tsubata, Masanori Takeuchi, Tomokazu Ohtsubo 2008-05-20
7357537 Light source for projector and projection type image display apparatus using thereof Nobuo Masuoka, Koji Hirata, Yoshie Kodera 2008-04-15
7316487 Projector light source and projection type image display device using the same Koji Hirata, Nobuo Masuoka 2008-01-08
7274157 Lamp operation controller and controlling method of lamp operation Koji Hirata 2007-09-25
6863418 Light source for projector and projection type image display apparatus using thereof Nobuo Masuoka, Koji Hirata, Yoshie Kodera 2005-03-08