ZS

Zenya Shiiki

KK Kureha Kagaku Kogyo: 32 patents #5 of 607Top 1%
KK Kureha Kagaku Kogyo K.K.: 32 patents #2 of 125Top 2%
PC Polyplastics Co.: 1 patents #154 of 292Top 55%
Overall (All Time): #29,572 of 4,157,543Top 1%
70
Patents All Time

Issued Patents All Time

Showing 26–50 of 70 patents

Patent #TitleCo-InventorsDate
4962143 Poly(arylene thioether) block copolymer fibers and production process thereof Yoshikatsu Satake, Shinji Yamamoto, Takashi Kaneko, Masahito Tada, Ken Kashiwadate +3 more 1990-10-09
4960806 Stretched poly(arylene thioether) block copolymer films and production process thereof Yoshikatsu Satake, Shinji Yamamoto, Takashi Kaneko, Masahito Tada, Ken Kashiwadate +3 more 1990-10-02
4960555 Poly (arylene thioether) block copolymer fibers and production process thereof Yoshikatsu Satake, Shinji Yamamoto, Takashi Kaneko, Masahito Tada, Ken Kashiwadate +3 more 1990-10-02
4956499 Polyarylene thioether composition for molding Makoto Fukuda, Sirou Suzuki, Toshio Hosokawa, Yo Iizuka, Yukichika Kawakami 1990-09-11
4931516 Process for producing polyarylene sulfide in titanium vessel with addition of water Yo Iizuka, Takao Iwasaki, Takayuki Katto 1990-06-05
4910086 Resin coated metal body Yukichika Kawakami, Yoshikatsu Satake 1990-03-20
4897238 Stretched poly(arylene thioether-ketone) films and production process thereof Toshitaka Kouyama, Takayuki Katto, Yoshikatsu Satake, Toshiya Mizuno, Yo Iizuka 1990-01-30
4895924 Poly(arylene thioether-ketone) fibers and production process thereof Yoshikatsu Satake, Yo Iizuka, Hiroyuki Endo, Toshitaka Kouyama, Takayuki Katto 1990-01-23
4895691 Poly(arylene thioether-ketone) fibers and production process thereof Yoshikatsu Satake, Yo Iizuka, Hiroyuki Endo, Toshitaka Kouyama, Takayuki Katto 1990-01-23
4895892 Melt-stable poly(arylene thioether-ketone) compositions Yoshikatsu Satake, Takashi Kaneko, Yutaka Kobayashi, Yo Iizuka, Toshitaka Kouyama +1 more 1990-01-23
4895893 Heat-resistant resin compositions, and heat-resistant molded or formed articles and production process thereof Yoshikatsu Satake, Takashi Kaneko, Yutaka Kobayashi, Yukio Ichikawa, Yo Iizuka +4 more 1990-01-23
4895912 Stretched poly(arylene thioether-ketone) films and production process thereof Yoshikatsu Satake, Yo Iizuka, Toshitaka Kouyama, Takayuki Katto, Toshiya Mizuno 1990-01-23
4895925 Melt-stable poly(arylene thioether-ketone) and production process thereof Yoshikatsu Satake, Takashi Kaneko, Yutaka Kobayashi, Yo Iizuka, Takayuki Katto 1990-01-23
4886871 Melt-stable poly(arylene thioetherketone) and production process thereof Yoshikatsu Satake, Takashi Kaneko, Yutaka Kobayashi, Yo Iizuka, Takayuki Katto 1989-12-12
4873283 Molded or formed poly(arylene thioether-ketone) articles Yoshikatsu Satake, Yo Iizuka, Toshitaka Kouyama, Takayuki Katto 1989-10-10
4868240 Polyarylene thioether of high crystallizing rate and a process for producing the same Yukio Ichikawa, Takayuki Katto 1989-09-19
4863669 Process for forming polyarylenethioether stretched blow-molded vessel Toshitaka Kouyama, Takayuki Katto, Takao Iwasaki, Yo Iizuka 1989-09-05
4826906 Poly(arylene thioether-ketone) compositions improved in both melt stability and crystallinity Yoshikatsu Satake, Ken Kashiwadate, Yo Iizuka, Toshitaka Kouyama, Takayuki Katto 1989-05-02
4820759 Polyarylene thiother composition Yukio Ichikawa, Takayuki Katto 1989-04-11
4816335 High-quality polyarylene-thioether fibers and method for production thereof Toshitaka Kouyama, Harunobu Egawa, Yo Iizuka 1989-03-28
4814430 Process for producing poly(arylene sulfide) of reduced alkali metal content Takao Iwasaki, Yo Iizuka, Takayuki Katto 1989-03-21
4812539 Polyarylene sulfide preparation in titanium reaction vessel with two distinct temperature ranges Yo Iizuka, Takao Iwasaki, Takayuki Katto 1989-03-14
4810566 Highly crystallized molded polyarylene thioether and process for producing it Yukichika Kawakami, Takao Iwasaki 1989-03-07
4801416 Transparent and little colored polyarylenethioether primary melt molding, preparation and utilization thereof Akio Kobayashi, Toshitaka Kouyama, Yo Iizuka, Takayuki Katto 1989-01-31
4795671 Para-phenylene sulfide block copolymers, process for the production of the same and use thereof Takayuki Katto, Yo Iizuka, Takao Iwasaki, Toshitaka Kouyama 1989-01-03