KH

Kisaburo Hayakawa

TO Toyota: 5 patents #5,641 of 26,838Top 25%
TL Toyota Central R&D Labs: 2 patents #528 of 1,657Top 35%
Aisin Seiki Kabushiki Kaisha: 1 patents #2,094 of 3,782Top 60%
📍 Miyoshi, JP: #347 of 2,464 inventorsTop 15%
Overall (All Time): #631,900 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
11198426 Hybrid vehicle Kosuke Aiki, Yoshiaki Ito, Hiroyuki Yamaguchi, Hideto Inagaki, Masaki Okamura 2021-12-14
10556593 Series hybrid vehicle Yoshiaki Ito, Kosuke Aiki, Hiroyuki Yamaguchi, Hideto Inagaki, Masaki Okamura 2020-02-11
8771126 Traction drive mechanism Yoshihiro Mizuno, Hiroyuki Nishizawa, Hiroyuki Yamaguchi, Kiyokazu Sunami 2014-07-08
7740556 Hydraulic control apparatus and hydraulic control method Yuji Iwase, Masami Sugaya, Hiroyuki Nishizawa, Masataka Osawa 2010-06-22
7503869 Speed change control apparatus for toroidal CVT Hiroyuki Nishizawa, Shuzo Sanda, Masanobu Kimura, Masataka Osawa, Yuji Iwase +3 more 2009-03-17
7032468 Vehicle weight determining device Naoki Yamada, Toshiaki Ishiguro, Hiroaki Kato, Masataka Osawa, Ryoichi Hibino 2006-04-25
6347269 Vehicle mass calculation device Masataka Osawa, Hiroyuki Yoshida, Masuji Oshima 2002-02-12
5895435 Vehicle drive mode estimating device, and vehicle control apparatus, transmission shift control apparatus and vehicle drive force control apparatus including drive mode estimating device Takashi Ohta, Yoshio Ito, Yasunari Nakamura, Hideo Tomomatsu, Syoichi Sayo +5 more 1999-04-20