RK

Ryosuke Kamei

SD Showa Denko: 9 patents #6 of 593Top 2%
SC Showa Highpolymer Co.: 8 patents #3 of 102Top 3%
SK Showa Denko K.K.: 1 patents #940 of 1,736Top 55%
Overall (All Time): #260,655 of 4,157,543Top 7%
18
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5609888 Apparatus for producing multifilaments Hitoshi Uda, Tetsuya Takahashi, Takeshi Sano 1997-03-11
5530058 Polyester resin composition Mitsuhiro Imaizumi, Masataka Kotani, Eiichiro Takiyama 1996-06-25
5525409 Nonwoven polyester fabric Takeshi Takahashi, Shigenori Terazono, Eiichiro Takiyama 1996-06-11
5362765 Polyester foamed thin materials Toshio Taka, Yuichiro Yasukawa, Tetuya Takahashi, Akira Nakamura, Eiichiro Takiyama 1994-11-08
5348700 Polyester flat and split yarn Akira Nakamura, Takeshi Takahashi, Tetuya Takahashi, Shigenori Terazono, Eiichiro Takiyama 1994-09-20
5349028 Polyester fibers Tetuya Takahashi, Hitoshi Uda, Akira Nakamura, Eiichiro Takiyama 1994-09-20
5321052 Polyester foamed thin materials Toshio Taka, Yuichiro Yasukawa, Tetuya Takahashi, Akira Nakamura, Eiichiro Takiyama 1994-06-14
5314927 Polyester foamed articles and method for producing the same Haruhiko Kondo, Mitsuhiro Imaizumi, Hideharu Kimura, Eiichiro Takiyama 1994-05-24
5310872 Polyester tying tape-like materials Takeshi Takahashi, Shigenori Terazono, Tetuya Takahashi, Akira Nakamura, Eiichiro Takiyama 1994-05-10
5283025 Process for producing multifilaments Hitoshi Uda, Tetsuya Takahashi, Takeshi Sano 1994-02-01
5171489 Method of producing composite staple fibers consisting of resin matrix and fine inorganic fibers Yohsuke Hirao, Hirokazu Yamada 1992-12-15
4966809 Water-absorbing composite body Toyoaki Tanaka, Katuzi Ohira, Akira Nakamura, Akihiro Hashimoto 1990-10-30
4931005 Apparatus for the production of elastic absorbent Toyoaki Tanaka, Katuzi Ohira, Akira Nakamura, Akihiro Hashimoto 1990-06-05
4902463 Elastic absorbent and process for production thereof Toyoaki Tanaka, Katuzi Ohira, Akira Nakamura, Akihiro Hashimoto 1990-02-20
4850533 Telescopic drinking straw Katsumasa Hoshi, Yukihiro Nomura, Hiroshi Shibano, Takeshi Banba 1989-07-25
4822668 Elastic absorbent Toyoaki Tanaka, Katuzi Ohira, Akira Nakamura, Akihiro Hashimoto 1989-04-18
4554202 Packaging cloth Keiitsu Kobayashi, Akira Nakamura, Toshikazu Shimamura, Masamitsu Tsukada, Hisashi Ono 1985-11-19
4504432 Process for producing a monofilament having high tenacity Toyoaki Tanaka, Takeshi Sano, Masataka Kotani 1985-03-12