HT

Hiroyoshi Tsuruta

EX Exedy: 12 patents #19 of 223Top 9%
DS Daikin Seisakusho: 2 patents #47 of 126Top 40%
AC Asanuma Holdings Co.: 1 patents #2 of 11Top 20%
Overall (All Time): #325,606 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7942749 Damper mechanism Hiroshi Uehara, Hirotaka Fukushima, Masakazu Kamiya, Masaru Ebata 2011-05-17
7467699 Double mass flywheel Hiroshi Uehara 2008-12-23
7445552 Dual-mass flywheel Kozo Yamamoto 2008-11-04
7438166 Flywheel assembly Hiroshi Uehara, Kozo Yamamoto 2008-10-21
7303479 Frictional resistance generation mechanism Hiroshi Uehara 2007-12-04
7229357 Flywheel assembly Hirotaka Fukushima, Hiroshi Uehara 2007-06-12
7134963 Frictional resistance generation mechanism Hiroshi Uehara 2006-11-14
RE38691 Flywheel assembly with annular elastic body for reducing vibrations Hirotaka Fukushima 2005-02-01
6264564 Power transfer apparatus having a vibration dampening mechanism which provides structural support for the apparatus Hirotaka Fukushima, Koji Kajitani, Masanobu Fukamachi 2001-07-24
6149525 Power transfer apparatus having a vibration dampening mechanism which provides structural support for the apparatus Hirotaka Fukushima, Koji Kajitani, Masanobu Fukamachi 2000-11-21
5997402 Power transfer apparatus having a vibration dampening mechanism which provides structural support for the apparatus Hirotaka Fukushima, Koji Kajitani, Masanobu Fukamachi 1999-12-07
5695035 Power transfer apparatus having a vibration dampening mechanism which provides structural support for the apparatus Hirotaka Fukushima, Koji Kajitani, Masanobu Fukamachi 1997-12-09
5617940 Power transfer apparatus having a vibration dampening mechanism which provides structural support for the apparatus Hirotaka Fukushima, Koji Kajitani, Masanobu Fukamachi 1997-04-08
5515745 Flywheel assembly with annular elastic body for reducing vibrations Hirotaka Fukushima 1996-05-14
5078355 Pan head mounting head of tripod for photo and VTR cameras Kazuo Fujimoto 1992-01-07