HH

Hiroshi Hata

TO Toyota: 32 patents #471 of 26,838Top 2%
The Yokohama Rubber Co.: 13 patents #104 of 1,136Top 10%
SC Showa Denko Packaging Co.: 9 patents #4 of 39Top 15%
MC Mitsui Mining & Smelting Co.: 4 patents #141 of 838Top 20%
Aisin Seiki Kabushiki Kaisha: 2 patents #1,427 of 3,782Top 40%
IK Ishihara Sangyo Kaisha: 2 patents #176 of 403Top 45%
LG Lion Group: 1 patents #229 of 587Top 40%
MC Mk Seiko Co.: 1 patents #7 of 20Top 35%
Honda Motor Co.: 1 patents #12,035 of 21,052Top 60%
Fujitsu Limited: 1 patents #14,843 of 24,456Top 65%
Overall (All Time): #33,808 of 4,157,543Top 1%
65
Patents All Time

Issued Patents All Time

Showing 51–65 of 65 patents

Patent #TitleCo-InventorsDate
5951614 Vehicle hybrid drive system control apparatus adapted to reduce transmission input torque upon transmission shifting, by using engine and/or motor/generator Atsushi Tabata, Yutaka Taga, Ryuji Ibaraki, Tsuyoshi Mikami 1999-09-14
5935040 Hybrid vehicle drive system adapted to produce substantially constant vehicle drive force under the same vehicle running condition, even in different modes of operation Atsushi Tabata, Yutaka Taga, Ryuji Ibaraki, Tsuyoshi Mikami 1999-08-10
5927415 Hybrid vehicle controller Ryuji Ibaraki, Yutaka Taga, Atsushi Tabata 1999-07-27
5923093 Hybrid vehicle drive system adapted to assure smooth brake application by motor/generator or engine Atsushi Tabata, Yutaka Taga, Ryuji Ibaraki, Tsuyoshi Mikami 1999-07-13
5887670 Vehicle power transmitting system having devices for electrically and mechanically disconnecting power source and vehicle drive wheel upon selection of neutral state Atsushi Tabata, Yutaka Taga, Ryuji Ibaraki, Tsuyoshi Mikami 1999-03-30
5875691 Hybrid drive system Seitoku Kubo, Yutaka Taga, Ryuji Ibaraki 1999-03-02
5873426 Hybrid vehicle drive system having means for using at least engine as drive power source in special vehicle operating state, to assure sufficient drive force Atsushi Tabata, Yutaka Taga, Ryuji Ibaraki, Tsuyoshi Mikami 1999-02-23
5856709 Hybrid vehicle drive system having clutch between engine and synthesizing/distributing mechanism which is operatively connected to motor/generator Ryuji Ibaraki, Seitoku Kubo, Yutaka Taga, Tsuyoshi Mikami, Hideaki Matsui 1999-01-05
5841201 Hybrid vehicle drive system having a drive mode using both engine and electric motor Atsushi Tabata, Yutaka Taga, Ryuji Ibaraki, Tsuyoshi Mikami 1998-11-24
5833570 Vehicle transmission shift control apparatus wherein torque of motor connected to automatic transmission is controlled to reduce shifting shock of transmission Atsushi Tabata, Yutaka Taga, Ryuji Ibaraki, Tsuyoshi Mikami 1998-11-10
5818116 Starting control apparatus for internal combustion engine and method of the same Koichi Nakae, Kiyoo Hirose, Tsuyoshi Mikami, Ryuji Ibaraki 1998-10-06
5789882 Vehicle control apparatus adapted to select engine-or motor-drive mode based on physical quantity reflecting energy conversion efficiencies in motor-drive mode Ryuji Ibaraki, Yutaka Taga, Atsushi Tabata, Seitoku Kubo 1998-08-04
5555337 Surface wave guideline and object detecting device using surface wave guideline 1996-09-10
D288108 Physical exerciser 1987-02-03
4268280 Method of continuously degassing water Shinichi Fujii 1981-05-19