II

Isao Ishigaki

JI Japan Atomic Energy Research Institute: 17 patents #3 of 609Top 1%
YC Yuasa Battery Co.: 7 patents #3 of 88Top 4%
AC Alps Electric Co.: 5 patents #368 of 2,177Top 20%
Sumitomo Electric Industries: 4 patents #6,367 of 21,551Top 30%
EB Ebara: 2 patents #752 of 1,611Top 50%
TC Taki Chemical Co.: 2 patents #10 of 65Top 20%
CC Chlorine Engineers Corp.: 2 patents #28 of 106Top 30%
YC Yoshino Kogyosho Co.: 1 patents #202 of 361Top 60%
📍 Maebashi, JP: #10 of 470 inventorsTop 3%
Overall (All Time): #132,570 of 4,157,543Top 4%
29
Patents All Time

Issued Patents All Time

Showing 1–25 of 29 patents

Patent #TitleCo-InventorsDate
8043727 Electromagnetic wave-absorption multilayer substrate Hideo Komura 2011-10-25
6593822 Oscillator for achieving stable oscillation Kazuhiro Nakano 2003-07-15
6448874 Resonant line constructed by microstrip line which is easy to be trimmed Ikuhiro Shiino 2002-09-10
6359521 Oscillator with buffer circuit in which deterioration in C/N ratio is lightened Kazuhiro Nakano 2002-03-19
6249196 Resonator for uniformly varying inductance or impedance in longitudinal direction of conductor line Shuichi Shibuya 2001-06-19
5425866 Electrically regenerable demineralizing apparatus Takanobu Sugo, Kunio Fujiwara, Hideaki Sekiguchi, Hideo Kawazu, Takayuki Saito 1995-06-20
5308467 Electrically regenerable demineralizing apparatus Takanobu Sugo, Kunio Fujiwara, Hideaki Sekiguchi, Hideo Kawazu, Takayuki Saito 1994-05-03
5279910 Battery Takashi Sasaki, Kazunari Takeda, Shyuiti Izuti, Tomohiko Noda 1994-01-18
5260005 Process for forming container of acrylonitrile polymers by biaxial-orientation blow-molding preform Keizo Makuuchi, Fumio Yoshii, Hideo Kushida, Hiroshi Iida, Toyokazu Owada 1993-11-09
5250910 Push-push oscillator having in-phase and anti-phase output combining circuits Hiroyuki Yabuki, Mitsuo Makimoto 1993-10-05
5211959 Processes for producing slow-release powders Fumio Yoshii, Keizo Makuuchi 1993-05-18
5187032 Solid polymer electrolytes Takashi Sasaki, Syuichi Izuchi, Tomohiko Noda 1993-02-16
5075342 Process for producing an ion exchange membrane by grafting non ion-selective monomers onto a ion exchange Takanobu Sugo, Jiro Okamoto 1991-12-24
4758922 High frequency circuit having a microstrip resonance element Hiroyuki Yabuki, Mitsuo Makimoto 1988-07-19
4749963 Oscillator having stripline loop resonator Mitsuo Makimoto, Morikazu Sagawa, Motoi Ohba 1988-06-07
4622366 Uranium adsorbing material and process for preparing the same Takanobu Sugo, Jiro Okamoto, Akio Katakai 1986-11-11
4590443 Transistor oscillator with compensating circuit for variable collector-base capacitance Mitsuo Makimoto, Sadahiko Yamashita 1986-05-20
4539277 Ion exchange membrane and process for producing the same Takanobu Sugo, Jiro Okamoto 1985-09-03
4407846 Method of producing a hydrophilic membrane from a polyethylene base film Sueo Machi, Takanobu Sugo, Kazuo Murata, Shiro Tanso, Keizi Senoo 1983-10-04
4396727 Cation exchange membrane and process for producing the same Jiro Okamoto, Hiroyuki Harada 1983-08-02
4384941 Process for electrolyzing water Jiro Okamoto, Hiroyuki Harada 1983-05-24
4379200 Novel method of producing ion exchange membrane Sueo Machi, Takanobu Sugo 1983-04-05
4376794 Process for production of separators for use in cells Sueo Machi, Takanobu Sugo, Kazuo Murata, Shiro Tanso, Keizi Senoo 1983-03-15
4376021 Process for producing a water-soluble vinyl polymer Jiro Okamoto, Hironobu Fukuzaki, Shozo Shimbo, Kiyoaki Yoshikawa 1983-03-08
4354907 Radiation polymerization of cationic monomer in aqueous alcohol Sueo Machi, Toshimi Okada, Shigeaki Washio 1982-10-19