Ryotaro Kachu has been granted 11 US patents while listed as an inventor at Denso . The first was granted in 2006 and the most recent in July 2011. Ryotaro Kachu ranks #435,149 of 4,157,543 US inventors in our database (top 10.5%). Patent records list Ryotaro Kachu in Toyota, JP.
Patents per Year Patents granted per year, 2006 to 2011 Bar chart with a peak of 3 patents in 2007. peak 3 2006: 1 patents 2006 2007: 3 patents 2007 2008: 2 patents 2008 2010: 2 patents 2010 2011: 3 patents 2011
Issued Patents All Time
Profile Widget
Showing 1–11 of 11 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
7980606 Vehicle bumper structure Hiroyuki Takahashi , Yujiro Miyata , Tetsuya Takafuji , Shigenori Kobayashi , Yasuyuki Hishida 2011-07-19
7952469 Collision detection device and method of manufacturing the same Akira Suzuki , Hiroyuki Takahashi , Yujiro Miyata , Motomi Iyoda 2011-05-31
$961,000
7931316 Vehicle bumper structure Hiroyuki Takahashi , Tetsuya Takafuji , Yoji Kobayashi 2011-04-26
$1,988,000
7775316 Colliding object determination device and collision information detector for vehicle Toshio Hosokawa , Yujiro Miyata , Motomi Iyoda , Hiroyuki Takahashi 2010-08-17
$1,810,000
7686358 Vehicular bumper structure Hiroyuki Takahashi , Motomi Iyoda , Yujiro Miyata 2010-03-30
$1,206,000
7456382 Load sensor, method of detecting load and pedestrian protection system Takashi Inamoto , Koji Ohtaka , Motomi Iyoda , Yujiro Miyata , Hiroyuki Takahashi 2008-11-25
7373029 Optical fiber impulse sensor fabricating method Morihisa Fukushi , Yasuyuki Hishida , Akira Suzuki , Shigenori Kobayashi , Hiroyuki Takahashi 2008-05-13
$165,000
7293809 Load sensing device for automobiles Kyojiro Suzuki , Hiroyuki Takahashi , Yujiro Miyata , Motomi Iyoda 2007-11-13
$2,615,000
7245812 Structure for connecting optical fiber Takashi Inamoto , Hiroyuki Takahashi , Yujiro Miyata , Motomi Iyoda 2007-07-17
$109,000
7236866 Vehicular collision object determining system Tetsuya Takafuji , Yoshiyuki Hattori , Hiroyuki Takahashi , Yujiro Miyata , Motomi Iyoda 2007-06-26
$5,585,000
7059444 Seat belt device and seat belt device control method — 2006-06-13
$1,544,000
