KF

Kunio Fujiwara

EB Ebara: 18 patents #107 of 1,611Top 7%
JI Japan Atomic Energy Research Institute: 6 patents #23 of 609Top 4%
Sumitomo Electric Industries: 5 patents #5,365 of 21,551Top 25%
Mitsubishi Electric: 2 patents #11,187 of 25,717Top 45%
DC Dainippon Screen Mfg. Co.: 1 patents #531 of 977Top 55%
Overall (All Time): #155,870 of 4,157,543Top 4%
26
Patents All Time

Issued Patents All Time

Showing 1–25 of 26 patents

Patent #TitleCo-InventorsDate
8216417 Substrate treating apparatus and substrate treating method Junichi Yoshida 2012-07-10
7291312 Ozone removing material and method for preparing the same Seiji Iimura, Kazuyoshi Takeda, Mari Katsumine 2007-11-06
6852233 Metal-collecting apparatus and method for elution and recovery of metal from metal-collecting material Takanobu Sugo, Akio Katakai, Noriaki Seko, Shin Hasegawa, Hiroshi Nagai +8 more 2005-02-08
6852802 Organic polymer material, process for producing the same, and heavy-metal ion remover comprising the same Makoto Komatsu, Kazuyoshi Takeda, Takeshi Takai 2005-02-08
6844371 Material having separating function Makoto Komatsu, Kazuyoshi Takeda, Takeshi Takai 2005-01-18
6818038 Polymer substrates for radiation-induced graft polymerization and filter stock Takanobu Sugo, Hideo Kawazu, Teruo Masubuchi, Junichi Kanno, Naotoshi Endo +1 more 2004-11-16
6811771 Bactericidal organic polymeric material Takanobu Sugo, Kazuyoshi Takeda, Tadashi Adachi, Hideo Kawazu, Makoto Komatsu +2 more 2004-11-02
6773654 Polymer substrates for radiation-induced graft polymerization and filter stock Takanobu Sugo, Hideo Kawazu, Teruo Masubuchi, Junichi Kanno, Naotoshi Endo +1 more 2004-08-10
6703432 Moisture adsorbing and desorbing material Kazuyoshi Takeda, Hiroshi Yokota, Hidenobu Arimitsu 2004-03-09
6659751 Apparatus for radiation-induced graft polymerization treatment of fabric webs Takanobu Sugo, Hideo Kawazu, Teruo Masubuchi, Junichi Kanno, Naotoshi Endo +1 more 2003-12-09
6423205 Electric deionization apparatus Masaji Akahori, Takayoshi Kawamoto, Syu Nakanishi, Shinzi Miura, Toru Akiyama +2 more 2002-07-23
6228135 Purification of very slightly contaminated air within a clean room Takanobu Sugo, Hideaki Sekiguchi, Takeshi Takai, Atsushi Kobayashi 2001-05-08
6127433 Process for producing separation functional fibers and ion-exchange fibers produced therefrom Takanobu Sugo, Toshihiko Yamada, Hiroyuki Shima 2000-10-03
6009739 Method for evaluating performance of chemical filter for cleaning gas Takeshi Takai, Mari Katsumine, Kazuo IWAKI, Hideo Kawazu, Hideaki Sekiguchi 2000-01-04
5783608 Process for producing separation functional fibers and ion-exchange fibers produced therefrom Takanobu Sugo, Toshihiko Yamada, Hiroyuki Shima 1998-07-21
5743940 Process for producing gas adsorbent Takanobu Sugo, Jiro Okamoto, Hideaki Sekiguchi, Toshiaki Fujii 1998-04-28
5738775 Electrically regenerable desalting apparatus Hiroshi Nagai, Syu Nakanishi, Takanobu Sugo 1998-04-14
5425866 Electrically regenerable demineralizing apparatus Takanobu Sugo, Isao Ishigaki, Hideaki Sekiguchi, Hideo Kawazu, Takayuki Saito 1995-06-20
5308467 Electrically regenerable demineralizing apparatus Takanobu Sugo, Isao Ishigaki, Hideaki Sekiguchi, Hideo Kawazu, Takayuki Saito 1994-05-03
4664474 Optical fiber and process for producing the same Gotaro Tanaka, Yasuo Matsuda 1987-05-12
4615583 Image fibers Koichi Tsuno 1986-10-07
4578560 High frequency induction coupled plasma torch with concentric pipes having flanges thereon Gotaro Tanaka, Tetsuo Miyajiri 1986-03-25
4556940 Robot vehicle Hisashi Katoo, Yoshikazu Kawashima 1985-12-03
4554498 Control apparatus for running moving object Hisashi Katoo, Fumihide Satoo, Hirokazu Taki 1985-11-19
4295869 Process for producing optical transmission fiber Satoshi Shiraishi, Shiro Kurosaki 1981-10-20