RI

Ryo Ishibashi

DE Denso: 12 patents #974 of 11,792Top 9%
HI Hitachi: 5 patents #7,555 of 28,497Top 30%
Overall (All Time): #266,798 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12071985 Clutch actuator Hirohisa NODA, Akira Takagi 2024-08-27
11953059 Clutch device Akira Takagi, Takumi Sugiura 2024-04-09
11940012 Clutch device Akira Takagi, Takumi Sugiura 2024-03-26
11867237 Rolling element cam and clutch device using same Takumi Sugiura, Akira Takagi 2024-01-09
11808306 Clutch device Takumi Sugiura, Akira Takagi 2023-11-07
11802594 Clutch device Takumi Sugiura 2023-10-31
11773915 Clutch device Akira Takagi, Takumi Sugiura 2023-10-03
9816640 Oil pressure control apparatus and method for setting oil-pressure characteristic Akira Takagi 2017-11-14
8989339 Zirconium alloy material Masahisa Inagaki, Hideo Soneda, Naoya Okizaki, Tomomi Nakamura, Yoshikazu Todaka +3 more 2015-03-24
8479970 High corrosion resistant equipment for a plant Katsuhito Takahashi, Seunghwan Park, Shinya Imano, Haruo Akahoshi, Kenya Ohashi 2013-07-09
8154370 Linear solenoid 2012-04-10
7938143 Fluid pressure control apparatus Kanehisa Nagasaki 2011-05-10
7926513 Spool valve Motoyoshi Andoh 2011-04-19
7468647 Linear solenoid having stator core and plunger Hiroo Tsujimoto, Motoyoshi Ando 2008-12-23
6827755 High-toughness and high-strength ferritic steel and method of producing the same Masami Taguchi, Yasuhisa Aono, Hidehiko Sumitomo, Hiroki Masumoto, Masakuni Fujikura 2004-12-07
6767416 Corrosion resistant, high strength alloy and a method for manufacturing the same Yasuhisa Aono 2004-07-27
6585148 Welding processes for iron-base ultra fine grained materials and structural components manufactured by the processes Yasuhisa Aono, Kazutaka Okamoto, Masayuki Doi, Hisanori Okamura 2003-07-01