JW

Junichi Watanabe

HI Hitachi: 15 patents #2,636 of 28,497Top 10%
Ricoh Company: 14 patents #1,578 of 9,818Top 20%
NI Nissan Chemical Industries: 12 patents #92 of 1,150Top 8%
SC Shin-Etsu Chemical Co.: 9 patents #445 of 2,176Top 25%
Fujitsu Limited: 6 patents #5,180 of 24,456Top 25%
YE Yaskawa Electric: 5 patents #148 of 1,006Top 15%
PA Panasonic: 4 patents #6,180 of 21,108Top 30%
SC Stanley Electric Co.: 3 patents #245 of 1,072Top 25%
MI Mitsui Petrochemical Industries: 2 patents #322 of 1,024Top 35%
KC Kyowa Hakko Kogyo Co.: 2 patents #380 of 943Top 45%
OC Osaka Soda Co.: 2 patents #19 of 87Top 25%
HO Hoya: 2 patents #523 of 1,290Top 45%
FL Fujitsu Semiconductor Limited: 2 patents #355 of 1,301Top 30%
YA Yazaki: 2 patents #1,574 of 3,427Top 50%
FL Fujitsu Microelectronics Limited: 2 patents #92 of 624Top 15%
MC Mitsumi Electric Co.: 1 patents #527 of 935Top 60%
Pioneer Electronic: 1 patents #1,093 of 1,840Top 60%
PV Pioneer Video: 1 patents #67 of 139Top 50%
SC Sumitomo Bakelite Co.: 1 patents #403 of 790Top 55%
TC Taiyo Yuden Co.: 1 patents #643 of 959Top 70%
NE Nec: 1 patents #7,889 of 14,502Top 55%
NC Nikkiso Co.: 1 patents #168 of 287Top 60%
NO Nippon Oil: 1 patents #392 of 773Top 55%
NC Nippon Zeon Co.: 1 patents #307 of 609Top 55%
Kawasaki: 1 patents #1,551 of 2,943Top 55%
Overall (All Time): #17,517 of 4,157,543Top 1%
91
Patents All Time

Issued Patents All Time

Showing 76–91 of 91 patents

Patent #TitleCo-InventorsDate
4845174 Process for preparing a vinyl chloride polymer Tadashi Amano, Hajime Kitamura 1989-07-04
4837345 Process for the production of tetrahydropyran-3-one derivatives Tatsuo Numata, Masataka Hatanaka 1989-06-06
4826940 Method for suspension polymerization of vinyl chloride monomer Tadashi Amano, Yoshitaka Okuno 1989-05-02
4824474 Quinoline derivatives and herbicidal compositions and method of use thereof Tatsuo Numata, Masataka Hatanaka, Takasi Ikai, Tsutomu Nawamaki, Kenji Hattori 1989-04-25
4822838 Curable chlorinated polyethylene and copolyethylene composition Kozo Misumi, Masanobu Miyaguchi, Seiji Kadomatsu, Sei Nakazawa 1989-04-18
4747014 Reduction-reoxidation type semiconductor ceramic capacitor and method of manufacturing thereof Daisuke Kaino, Katsuhiko Arai, Kazuo Sasazawa 1988-05-24
4744515 Automatic water-sprinkling controller 1988-05-17
4704439 Chlorinated linear ultra low density polyethylene Noboru Yamaoka, Shigeki Yokoyama, Kazuo Matsuura, Kozo Misumi, Seiji Kadomatsu 1987-11-03
4696694 Pyridine derivatives and their herbicidal compositions Tatsuo Numata, Masataka Hatanaka, Takasi Ikai, Tsutomu Nawamaki, Kenji Hattori 1987-09-29
4621114 Propylene resin composition 1986-11-04
4583212 Record/playback head positioning device for optical disc apparatus Hiroshi Koide 1986-04-15
4574369 Tracking/focusing device for positioning an optical lens unit Hiroshi Koide, Shigemoto Tenmyo 1986-03-04
4395519 Physically blended propylene polymer composition Syuji Minami, Norio Kashiwa, Akifumi Kato 1983-07-26
4278147 Muffler for engine, particularly motorcycle engine Takahiko Aoyama, Norio Gotoh 1981-07-14
4250416 Moving-coil type motor Hiroshi Koide, Shigemoto Temmyo 1981-02-10
4186991 Angularly rotatable mirror apparatus Hiroshi Koide, Shigemoto Tenmyo 1980-02-05