RI

Ryuichi Ishitsubo

SC Sumitomo Chemical: 7 patents #703 of 4,033Top 20%
KH Kabushiki Kaisha Hosokawaseisakusho: 6 patents #2 of 9Top 25%
TC Takashimaya Nippatsu Kogyo Co.: 1 patents #10 of 40Top 25%
Overall (All Time): #472,079 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
6348170 Process for producing a multilayer molded article Shohei Masui, Masahito Matsumoto, Nobuhiro Usui, Toshihiro Hosokawa 2002-02-19
5714175 Apparatus for producing a multilayer molded article Shohei Masui, Masahito Matsumoto, Nobuhiro Usui, Toshihiro Hosokawa 1998-02-03
5622667 Process for producing skin-integrated laminate Youichi Fujiyama, Takashi Watanabe, Masahito Matsumoto 1997-04-22
5545023 Pressure molding apparatus for molten resin Toshihiro Hosokawa, Kiyoshi Nakahara, Toshiyuki Okuda 1996-08-13
5509990 Process for producing a multilayer molded article Shohei Masui, Masahito Matsumoto, Nobuhiro Usui, Toshihiro Hosokawa 1996-04-23
5338182 Pressure molding apparatus for molten resin Toshihiro Hosokawa, Kiyoshi Nakahara, Toshiyuki Okuda 1994-08-16
5238392 Pressure molding apparatus for molten resin having a limit switch which detects movement of a gate pin Toshihiro Hosokawa, Kiyoshi Nakahara, Toshiyuki Okuda 1993-08-24
5238640 Method of manufacturing a laminated body Shohei Masui, Kanemitsu Oishi, Kiyoshi Mitsui, Toshihiro Hosokawa 1993-08-24
5234336 Pressure molding apparatus for molten resin Toshihiro Hosokawa, Kiyoshi Nakahara, Toshiyuki Okuda 1993-08-10
5223201 Method of manufacturing a laminated body Shohei Masui, Kanemitsu Oishi, Kiyoshi Mitsui, Toshihiro Hosokawa 1993-06-29
5122320 Process for producing a multilayer article Shohei Masui, Masahito Matsumoto, Nobuhiro Usui, Toshihiro Hosokawa 1992-06-16