AH

Akihiro Hashimoto

Fujitsu Limited: 12 patents #2,592 of 24,456Top 15%
MH Mitsui High-Tec: 9 patents #10 of 174Top 6%
FU Fujifilm: 6 patents #1,361 of 4,519Top 35%
SD Showa Denko: 6 patents #20 of 593Top 4%
HO Horiba: 3 patents #153 of 604Top 30%
PA Panasonic: 2 patents #9,678 of 21,108Top 50%
Nissan Motor Co.: 2 patents #3,090 of 8,689Top 40%
OD Oki Data: 2 patents #320 of 635Top 55%
Tdk: 2 patents #1,902 of 3,796Top 55%
JI Japan Automobile Research Institute: 1 patents #3 of 28Top 15%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
SK Showa Denko K.K.: 1 patents #940 of 1,736Top 55%
AC Asahi Denso Co.: 1 patents #14 of 39Top 40%
Overall (All Time): #60,677 of 4,157,543Top 2%
47
Patents All Time

Issued Patents All Time

Showing 26–47 of 47 patents

Patent #TitleCo-InventorsDate
6924955 Read/write device for cartridge memory 2005-08-02
6914741 Servo writer Takahisa Izumida 2005-07-05
6896217 Magnetic tape cartridge Kenji Ishikawa, Hidetoshi Yamamoto, Kiyoo Morita, Daisuke Takahashi, Hideaki Shiga 2005-05-24
6873587 Servo writer 2005-03-29
6758428 Tape reel for use in magnetic tape cassette Kazuo Hiraguchi, Hiroyuki Naito, Katsuki Asano, Shigeru Nishiyama, Hideki Uchikura 2004-07-06
6618272 Electric component connecting structure Takahiro Tsuchiya, Morio Sugata 2003-09-09
6522233 Coil apparatus Yasuo Kyoso, Torao Misono 2003-02-18
6459494 Width measuring apparatus Koshu Kurokawa, Youichi Hayata 2002-10-01
5554891 Antitheft device for a vehicle Hidekazu Shimizu 1996-09-10
5143786 Composite fibers, water-absorbing material using the composite fibers as a base material and method for producing the same Toyoaki Tanaka, Akira Nakamura, Yoshisuke Kamei 1992-09-01
5071705 Composite fibres, water-absorbing material using the composite fibres as a base material and method for producing the same Toyoaki Tanaka, Akira Nakamura, Yoshisuke Kamei 1991-12-10
5008147 Magnetic recording medium Katsumi Ryoke, Masatoshi Takahashi, Kazuo Hasumi 1991-04-16
4988562 Magnetic recording media Katsumi Ryoke, Masatoshi Takahashi 1991-01-29
4966809 Water-absorbing composite body Toyoaki Tanaka, Katuzi Ohira, Akira Nakamura, Ryosuke Kamei 1990-10-30
4931005 Apparatus for the production of elastic absorbent Toyoaki Tanaka, Katuzi Ohira, Akira Nakamura, Ryosuke Kamei 1990-06-05
4902463 Elastic absorbent and process for production thereof Toyoaki Tanaka, Katuzi Ohira, Akira Nakamura, Ryosuke Kamei 1990-02-20
4880692 Magnetic recording medium Katsumi Ryoke, Masatoshi Takahashi, Tsutomu Okita, Kazuko Hanai 1989-11-14
4880693 Magnetic recording medium Katsumi Ryoke, Masatoshi Takahashi, Tsutomu Okita, Takashi Yoneyama 1989-11-14
4848795 Automotive seat belt device Masakazu Muraishi, Kenro Otsuka 1989-07-18
4822668 Elastic absorbent Toyoaki Tanaka, Katuzi Ohira, Akira Nakamura, Ryosuke Kamei 1989-04-18
4740529 Heat resistant foamed shrinkable film Toshio Taka, Takuo Okubo, Kihachi Shishido, Kazuo Yoneda 1988-04-26
4351555 Foldable panel for an automotive vehicle 1982-09-28