HK

Hideo Katsumata

JR Japan Synthetic Rubber: 3 patents #110 of 558Top 20%
MC Mitsubishi Chemical: 2 patents #1,511 of 3,022Top 50%
KC Kyowa Hakko Kogyo Co.: 1 patents #549 of 943Top 60%
MM Mitsubishi Mining: 1 patents #886 of 2,247Top 40%
OB Obayashi: 1 patents #58 of 118Top 50%
OH Ohbayashi: 1 patents #12 of 31Top 40%
Overall (All Time): #887,286 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
5720445 Apparatus for winding reinforcing fibers around column Hiroshi Sakurai, Juichi Oka, Masami Ito, Masahiko Ideguchi, Yuko Arimitsu 1998-02-24
5169905 Hydrogenation catalyst composition and process for hydrogenating olefinically unsaturated polymer using the same Yoshiharu Hashiguchi, Kunio Goshima, Toshio Teramoto, Yasuhiko Takemura 1992-12-08
4990585 Hexene-1/4-methylpentene-1 random copolymer and process for producing the same Takashi Kawata, Kenya Makino 1991-02-05
4942187 Vibration-damping rubber composition Takashi Kawata, Kenya Makino, Yoshishige Chikatsu 1990-07-17
4786341 Method for manufacturing concrete structure Katsuro Kobatake, Kensuke Yagi, Tsuneo Tanaka, Tatsuo Ando 1988-11-22
4560661 Process for purifying enzymes Shigeo Katsumata, Shinzo Ishii, Yuko Arai 1985-12-24