TN

Tadashi Nakajima

Bridgestone: 9 patents #248 of 2,860Top 9%
TK Toyo Boseki Kabushiki Kaisha: 2 patents #343 of 1,085Top 35%
KS Kawasaki Steel: 1 patents #889 of 1,922Top 50%
YC Yamamoto Electric Industrial Co.: 1 patents #4 of 7Top 60%
Samsung: 1 patents #49,284 of 75,807Top 70%
ND Nitto Denko: 1 patents #1,580 of 2,479Top 65%
IC Ishihara Chemical Co.: 1 patents #30 of 58Top 55%
Overall (All Time): #321,871 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9561502 Conductive polymer material, method for producing conductive polymer material, and image forming device member Hirotaka Tagawa 2017-02-07
9096782 Polyesters, polyester compositions, pressure-sensitive adhesive compositions, pressure-sensitive adhesive layers and pressure-sensitive adhesive sheets Hitoshi Takahira, Satomi Yoshie, Daiki FUNAOKA, Katsuya Shimeno 2015-08-04
6814892 Ethylene propylene rubber foam and image formation equipment Chikara Yamada, Toshiyuki Osaki, Takahiro Kawagoe 2004-11-09
6579473 Ethylene propylene rubber foam and image formation equipment Chikara Yamada, Toshiyuki Osaki, Takahiro Kawagoe 2003-06-17
6572791 Electroconductive elastic member, elastic member and image formation equipment Junji Sakata, Hirotaka Yamazaki, Takahiro Kawagoe 2003-06-03
5933693 Electroconductive elastic member and electrophotographic apparatus using same Junji Sakata, Takahiro Kawagoe 1999-08-03
5911099 Electroconductiive member and electrophotogrpahic apparatus Junji Sakata, Takahiro Kawagoe 1999-06-08
5719375 Stiffener manufacturing method and apparatus thereof Kun Peo Sung, Ki-Soo Kim, Seong-Gi Park, Hogu Kim, Masamichi Kawakami +2 more 1998-02-17
5659854 Electrostatic charging member and photoconductor device Yoshitomo Masuda, Hiroshi Kaneda, Taro Miyamoto, Yuko Maeda, Yasushi Inoue +1 more 1997-08-19
5183543 Polyanilines, process for the preparation thereof and cells using them Shinichi Toyosawa, Kinya Suzuki, Takahiro Kawagoe, Tadaaki Miyazaki, Takashi Kitamura +5 more 1993-02-02
5178952 Radiation curable resin, composition thereof and precoated metal made therefrom Shinpei Yamamoto, Hideyuki Ohashi, Nobukazu Kotera, Takuma Kobayashi, Hiroshi Taki +1 more 1993-01-12
5120917 Composition for preventing formation of scales in welding Tadao Komatsu 1992-06-09
4904553 Polyaniline Shinichi Toyosawa, Shigeru Kijima, Katsuhiko Arai, Yuko Maeda, Masao Ogawa +4 more 1990-02-27
4904842 Blowhole.multidot.pit preventing agent and arc-welding method using the same Koichi Yasuda, Shosaburo Nakano, Noboru Nishiyama, Takaro Matsumoto, Katsuaki Nakatsuji +1 more 1990-02-27
4228383 Speed control circuit arrangement for an AC commutator motor Katsuji Soeda, Mitsuhiro Oyama, Fumio Sakuma 1980-10-14