HF

Hirotaka Fukushima

YA Yazaki: 50 patents #33 of 3,427Top 1%
EX Exedy: 37 patents #3 of 223Top 2%
DS Daikin Seisakusho: 28 patents #2 of 126Top 2%
Canon: 9 patents #6,722 of 19,416Top 35%
TO Toyota: 3 patents #8,352 of 26,838Top 35%
DC Daikin Clutch: 2 patents #6 of 22Top 30%
Fujitsu Limited: 2 patents #10,930 of 24,456Top 45%
TI Toyota Industries: 1 patents #904 of 1,610Top 60%
📍 Kakegawa, JP: #1 of 302 inventorsTop 1%
Overall (All Time): #8,682 of 4,157,543Top 1%
128
Patents All Time

Issued Patents All Time

Showing 76–100 of 128 patents

Patent #TitleCo-InventorsDate
5868232 Clutch apparatus having a vibration dampensing mechanism, a reduced axial thickness and an undulated spring disposed within the vibration dampening mechanism 1999-02-09
5868228 Lockup clutch for a torque converter having a spring retainer 1999-02-09
5769195 Lock-up clutch for a torque convertor 1998-06-23
5751135 Charging connector for electric vehicle Toshiaki Hasegawa 1998-05-12
D390827 Connector for electric supplier for electric car Toshiyuki Sekimori, Shigemi Hashizawa 1998-02-17
5695035 Power transfer apparatus having a vibration dampening mechanism which provides structural support for the apparatus Koji Kajitani, Hiroyoshi Tsuruta, Masanobu Fukamachi 1997-12-09
5695028 Torque converter having both a lock-up clutch and a disengaging clutch mechanism 1997-12-09
5687618 Flywheel assembly Koji Kajitani, Mamoru Okubo, Naoki Yanagida, Mitsuhiko Takenaka, Mitsuo Touji +1 more 1997-11-18
5685404 Power transmission system for use with a manual transmission including a torque convertor 1997-11-11
5686701 Connector lid opening-closing construction Toshiaki Hasegawa, Shigemi Hashizawa 1997-11-11
5681187 Connector with movable contact member and resilient contact band Toshiaki Hasegawa 1997-10-28
5676560 Powder feed connector Takayoshi Endo, Toshiaki Hasegawa, Nobuaki Yoshioka, Shigeo Mori 1997-10-14
5669820 Flexible plate for transmitting torque 1997-09-23
5664960 Power feed connector 1997-09-09
D379967 Connector for electric supplier for electric car Shigemi Hashizawa, Satoki Masuda 1997-06-17
5639256 Feeder connector Takayoshi Endo, Shigemitsu Inaba, Shigemi Hashizawa, Satoki Masuda 1997-06-17
5617940 Power transfer apparatus having a vibration dampening mechanism which provides structural support for the apparatus Koji Kajitani, Hiroyoshi Tsuruta, Masanobu Fukamachi 1997-04-08
D378292 Connector for electric supplier for electric car Nobuaki Yoshioka 1997-03-04
D377165 Connector for an electric supplier for electric car Nobuaki Yoshioka 1997-01-07
5584712 Connector 1996-12-17
5562541 Folded flat-spring and device into which the folded flat-spring is incorporated 1996-10-08
5551318 Power train flywheel assembly with flexible input-side incorporating damping mechanism 1996-09-03
D370461 Connector for electric supplier for electric car Nobuaki Yoshioka 1996-06-04
D369782 Connector shell for electric supplier for electric car Shigemi Hashizawa, Satoki Masuda 1996-05-14
5515745 Flywheel assembly with annular elastic body for reducing vibrations Hiroyoshi Tsuruta 1996-05-14