KW

Kazumasa Watanabe

KO Konica: 12 patents #157 of 1,958Top 9%
IC Ichikawa Co.: 11 patents #4 of 59Top 7%
KC Konishiroku Photo Industry Co.: 6 patents #151 of 894Top 20%
Mitsubishi Electric: 4 patents #7,099 of 25,717Top 30%
KC Konishiroku Photo Ind. Co.: 1 patents #9 of 38Top 25%
The Yokohama Rubber Co.: 1 patents #666 of 1,136Top 60%
MC Mitsubishi Chemical: 1 patents #294 of 716Top 45%
Overall (All Time): #94,025 of 4,157,543Top 3%
36
Patents All Time

Issued Patents All Time

Showing 25 most recent of 36 patents

Patent #TitleCo-InventorsDate
11047158 Joining structure of two door members forming door for entrance opening and closing of aircraft lavatory unit 2021-06-29
7482901 Circuit breaker Hiroyuki Kakisako, Shigeki Koumoto, Takashi Iitsuka, Kouzou Maeta 2009-01-27
7420446 Circuit breaker Masahiro Fushimi, Susumu Takahashi 2008-09-02
7311806 Papermaking needle felt Takashi Ouchi 2007-12-25
7135095 Papermaking press felt and press apparatus for a papermaking machine Hiroyuki Oda, Shin Kawashima, Minenari Imada, Hiroshi Iwata, Daisuke Goto +2 more 2006-11-14
7135094 Papermaking press felt Hirokuni Ohno 2006-11-14
7128811 Belt for a papermaking machine 2006-10-31
6936139 Shoe press apparatus of a papermaking machine 2005-08-30
6858291 Elastic belt for papermaking calender Norio Sakuma, Yasuhiro Tsutsumi 2005-02-22
6780287 Belt for calendering Norio Sakuma, Yasuhiro Tsutsumi 2004-08-24
6736939 Shoe press belt 2004-05-18
6716318 Papermaking press felt 2004-04-06
6699368 Shoe press belt and manufacturing method Hirofumi Ishii, Nobuyuki Ito 2004-03-02
6514386 Papermaking felt 2003-02-04
6406825 Electrophotographic photoreceptor Tomoo Sakimura, Akihiko Itami, Shingo Fujimoto, Toyoko Shibata, Tomoko Sakimura 2002-06-18
6268097 Electrophotographic photoreceptor Hirofumi Hayata, Kenichi Yasuda 2001-07-31
6143452 Electrophotographic photoreceptor Tomoo Sakimura, Akihiko Itami, Shingo Fujimoto, Toyoko Shibata, Tomoko Sakimura 2000-11-07
5986116 Method for producing conjugated linoleic acid Toshio Iwata, Takeshi Kamegai, Yoshie Sato, Masaaki Kasai 1999-11-16
5853934 Electrophotographic photoreceptor Shingo Fujimoto, Naoto Abe, Hideo Yoshizawa, Tsuyoshi Shimoda, Yohko Kitahara 1998-12-29
5753395 Electrophotographic photoreceptor Akira Kinoshita, Naohiro Hirose, Akihiko Itami 1998-05-19
5565288 Electrophotographic photoreceptor Shingo Fujimoto, Yuanhu Pei, Toyoko Shibata 1996-10-15
5354635 Electrophotographic photoreceptor comprising mixed crystals of titanylphthalocyanine and vanadylphthalocyanine Akihiko Itami 1994-10-11
5350655 Electrophotographic photoreceptor with titanyl phthaloycyanine Tomomi Oshiba, Fumitaka Mochizuki, Hajime Tadokoro, Akira Kinoshita, Kiyoshi Tamaki +1 more 1994-09-27
5338637 Electrophotographic photoreceptor with perylene and styryl compounds Akira Kinoshita, Tomoko Suzuki 1994-08-16
5323567 Plant cultivating apparatus Shigeki Nakayama, Akira Ikeda, Yoshitaka Kawaai, Kenji Ezaki, Yasuko Taniguchi +3 more 1994-06-28