SK

Seiji Kagawa

UN Unknown: 27 patents #116 of 83,584Top 1%
MS Mitsubishi Hitachi Power Systems: 21 patents #2 of 970Top 1%
Mitsubishi Electric: 19 patents #1,108 of 25,717Top 5%
SK Seiji Kagawa: 5 patents #1 of 2Top 50%
TK Tonen Sekiyukagaku Kabushiki Kaisha: 4 patents #4 of 61Top 7%
MP Mitsubishi Power: 4 patents #28 of 508Top 6%
TK Tonen Sekiyukagaku K.K.: 2 patents #1 of 24Top 5%
MC Mitsubishi Shipbuilding Co.: 1 patents #10 of 26Top 40%
Overall (All Time): #16,630 of 4,157,543Top 1%
93
Patents All Time

Issued Patents All Time

Showing 76–93 of 93 patents

Patent #TitleCo-InventorsDate
6074736 Pull-top can 2000-06-13
5759145 Tearability imparting apparatus 1998-06-02
5654082 Easily tearable laminated film and method of manufacturing the same 1997-08-05
5648107 Porous film manufacturing apparatus Yoichiro Kagawa 1997-07-15
5593632 Method of making a porous film 1997-01-14
5458951 Porous film, method for manufacturing the same, gas permeability control film, and water vapor permeability control film 1995-10-17
5451257 Porous film and porous film manufacturing apparatus Yoichiro Kagawa 1995-09-19
5415538 Porous film manufacturing apparatus 1995-05-16
5352108 Porous film and porous film manufacturing apparatus Yoichiro Kagawa 1994-10-04
5257923 Porous film manufacturing apparatus 1993-11-02
5252385 Elastomer film and composite containing same Hideaki Toda, Yoshihiro Uotome 1993-10-12
5218036 Shrinkable film from ethylene-vinyl acetate polymer talc and ethylene-propylene copolymers blend Hideaki Toda, Yoshinaga Murakami 1993-06-08
5116561 Method of preparing a composite material in the form of ultra-fine particles 1992-05-26
5057252 Method of producing heat-resistant and shape memory formed products Hideaki Toda, Shinichiro Nomura 1991-10-15
4945127 Polymer composition, its heat-resistant, shape memory formed product and method of producing same Hideaki Toda, Shinichiro Nomura 1990-07-31
4878974 Method of producing a gas-permeable, waterproof composite sheet 1989-11-07
4824499 Method for production of gas-pervious composite film 1989-04-25
4403946 Igniter utilizing piezo-electric element 1983-09-13