MT

Masakazu Tanaka

MC Mitsui Chemicals: 10 patents #160 of 2,279Top 8%
DE Denso: 10 patents #1,243 of 11,792Top 15%
Sumitomo Electric Industries: 9 patents #3,076 of 21,551Top 15%
SI Sumitomo Rubber Industries: 9 patents #235 of 1,637Top 15%
NC Nippondenso Co.: 7 patents #296 of 3,479Top 9%
TK Toyo Boseki Kabushiki Kaisha: 7 patents #64 of 1,085Top 6%
NS Nippon Soken: 5 patents #260 of 1,540Top 20%
SP Sakai Display Products: 3 patents #61 of 175Top 35%
Mitsubishi Electric: 2 patents #11,187 of 25,717Top 45%
PA Panasonic: 1 patents #13,264 of 21,108Top 65%
Honda Motor Co.: 1 patents #12,035 of 21,052Top 60%
Kubota: 1 patents #1,212 of 2,059Top 60%
Nissan Motor Co.: 1 patents #4,519 of 8,689Top 55%
Sharp Kabushiki Kaisha: 1 patents #6,861 of 10,731Top 65%
TC Tec Co.: 1 patents #45 of 177Top 30%
TC Toyobo Co.: 1 patents #227 of 498Top 50%
VC V Technology Co.: 1 patents #23 of 67Top 35%
VL Victrex Manufacturing Limited: 1 patents #28 of 69Top 45%
Overall (All Time): #33,696 of 4,157,543Top 1%
65
Patents All Time

Issued Patents All Time

Showing 51–65 of 65 patents

Patent #TitleCo-InventorsDate
5761902 Change-over valve unit for switching exhaust gas passages and exhaust gas purifying system Hiroyuki Usami, Hiroshi Mori, Mamoru Mabuchi, Kinji Hodaira, Tatsuo Sakai 1998-06-09
5722882 Automatic coin discharge apparatus Kyouichi Kashiwagi, Hironobu Makino 1998-03-03
5647206 Exhaust emission purification apparatus Takahiko Yamamoto, Hiroshi Mori, Makoto Saito, Mamoru Mabuchi 1997-07-15
5634333 Exhaust pipe opening and closing apparatus Hiroyuki Usami, Mamoru Mabuchi, Tatsuo Sakai, Kinji Hodaira 1997-06-03
5634332 Exhaust gas purification apparatus Hiroshi Mori, Makoto Saito, Mamoru Mabuchi, Hiroyuki Usami, Takahiko Yamamoto 1997-06-03
5589143 Exhaust gas purification apparatus for internal combustion engine Hiroshi Mori, Mamoru Mabuchi, Makoto Saito 1996-12-31
5541305 Composition compatible with blood Hideyuki Yokota 1996-07-30
5410875 Exhaust-gas purification device for an internal combustion engine or the like Hiroshi Mori, Mamoru Mabuchi 1995-05-02
5403117 Pavement, a paving material and methods of producing said pavement and said paving material Hideyuki Okuyama, Tetsuya Kojimoto 1995-04-04
5142446 Apparatus for securely attaching and detaching portable computer terminals to portable optional devices Takashi Tatsumi 1992-08-25
5128408 Gas-permeable material with excellent compatibility with blood Satoru Murata, Susumu Kashiwabara, Ken Murayama 1992-07-07
4920759 Radiant heat control apparatus for automotive vehicle Toshio Ohashi 1990-05-01
4845819 Method for coupling two plastic constructive parts used in valve, joint and pipe devices Junsuke Kyomen, Masayuki Sakaguchi, Hideki Kajiwara, Keiji Matsumoto, Kenzo Nishitani +2 more 1989-07-11
4478961 Polyvinyl chloride composition Ken Murayama 1984-10-23
4465480 Blood transfusion tubes and devices for use in contact with human blood Ken Murayama 1984-08-14