SK

Seizo Kobayashi

NO Nippon Oil: 15 patents #32 of 773Top 5%
PI Polymer Processing Research Institute: 4 patents #10 of 38Top 30%
NC Nippon Petrochemicals, Co.: 3 patents #74 of 359Top 25%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #328,473 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDate
5756660 Process for producing polyethylene material of high strength and high plastic modulus Takeichi Shiraishi, Yoshiyuki Shimo 1998-05-26
5723388 Prepreg of ultra-high-molecular-weight polyethylene Kazutosi Nomiyama, Yoshimu Iwanami, Sumio Yoshida, Kazuhiko Kurihara, Hiroshi Yazawa 1998-03-03
5693708 Colored stretched polyethylene material and process for producing the same Yoshimu Iwanami, Takashi Mizoe, Osamu Otsu 1997-12-02
5612125 Process for producing prepreg Kazutosi Nomiyama, Yoshimu Iwanami, Sumio Yoshida, Kazuhiko Kurihara, Hiroshi Yazawa 1997-03-18
5578373 Split polyethylene stretched material and process for producing the same Takashi Mizoe, Yoshimu Iwanami, Osamu Otsu, Shigeki Yokoyama, Kazuhiko Kurihara +1 more 1996-11-26
5445883 Laminate Takashi Mizoe, Yoshimu Iwanami, Shigeki Yokoyama, Keizi Jimbo 1995-08-29
5200129 Process for continuous production of polyolefin material Takashi Mizoe, Yoshimu Iwanami 1993-04-06
5106555 Process for the continuous production of high-strength and high-modulus polyethylene material Takashi Mizoe, Yoshimu Iwanami, Shigeki Yokoyama, Kazuhiko Kurihara, Hiroshi Yazawa +1 more 1992-04-21
5091133 Continuous production process of high-strength and high-modulus polyolefin material Takashi Mizoe, Yoshimu Iwanami 1992-02-25
5026511 Process for the production of polyethylene materials Akira Sano, Hirofumi Kamiishi, Kazuo Matsuura, Shigeki Yokoyama 1991-06-25
4929680 Preparation method of masterbatch composition for thermoplastic resin modification Saburo Matsubara, Yoshihiro Gohshi, Katsumi Usui 1990-05-29
4895903 Thermoplastic elastomer compositions Katumi Usui, Takashi Mizoe 1990-01-23
4879076 Process for the production of polyethylene materials Akira Sano, Kazuo Matsuura, Shigeki Yokoyama, Takeshi Kamiya 1989-11-07
4822855 Thermoplastic elastomer compositions Katumi Usui, Takashi Mizoe, Noboru Yamaoka, Kazuo Matsuura 1989-04-18
4775722 Thermoplastic elastomer compositions Katumi Usui, Takashi Mizoe, Noboru Yamaoka, Kazuo Matsuura 1988-10-04