MM

Masahito Matsumoto

SC Sumitomo Chemical: 64 patents #8 of 4,033Top 1%
JF Juntendo Educational Foundation: 4 patents #1 of 49Top 3%
KH Kabushiki Kaisha Hosokawaseisakusho: 3 patents #3 of 9Top 35%
NC Nissen Chemitec: 3 patents #1 of 19Top 6%
RF Research Development Foundation: 1 patents #152 of 362Top 45%
TC Takashimaya Nippatsu Kogyo Co.: 1 patents #10 of 40Top 25%
Overall (All Time): #30,056 of 4,157,543Top 1%
69
Patents All Time

Issued Patents All Time

Showing 51–69 of 69 patents

Patent #TitleCo-InventorsDate
5478627 Laminate Takahisa Hara, Nobuhiro Usui 1995-12-26
5468039 Instrument panel for automobile Nobuhiro Usui 1995-11-21
5431366 See-through concrete form Takeo Kitayama, Shigeyoshi Matubara 1995-07-11
5424020 Method for producing molded article of fiber-reinforced thermoplastic resin Takahisa Hara, Nobuhiro Usui, Shigeyoshi Matubara 1995-06-13
5356588 Method for forming a fiber reinforced thermoplastic resin shaped article Takahisa Hara, Nobuhiro Usui, Takeo Kitayama, Shigeyoshi Matubara 1994-10-18
5352397 Process for producing multilayer molded article including folding of a skin material over a back of a resin material Takahisa Hara, Nobuhiro Usui, Shigeyoshi Matubara 1994-10-04
5336463 Mold for press molding and process for press molding of thermoplastic resin using the same Takahisa Hara, Nobuhiro Usui, Shigeyoshi Matubara 1994-08-09
5308570 Process for producing multilayer molded article Takahisa Hara, Nobuhiro Usui, Shigeyoshi Matsubara 1994-05-03
5304579 Method for molding polypropylene resin Takahisa Hara, Nobuhiro Usui, Shigeyoshi Matubara 1994-04-19
5281376 Method for producing polypropylene resin article having skin material lined with foamed layer Takahisa Hara, Nobuhiro Usui, Shigeyoshi Matubara 1994-01-25
5277865 Gas-assisted injection molding process for producing hollow molded article Takahisa Hara, Hiromu Fujita, Yuji Kamiji, Hiromasa Nakatsuka 1994-01-11
5275776 Method for producing molded article of fiber-reinforced thermoplastic resin Takahisa Hara, Nobuhiro Usui, Shigeyoshi Matubara 1994-01-04
5252269 Method for molding polypropylene resin Takahisa Hara, Nobuhiro Usui, Shigeyoshi Matubara 1993-10-12
5178708 Method for producing multi-layer molded article Takahisa Hara, Nobuhiro Usui, Shigeyoshi Matubara 1993-01-12
5154872 Process for producing a multilayer molded article Syohei Masui, Nobuhiro Usui 1992-10-13
5130075 Method for press molding thermoplastic resin Takahisa Hara, Nobuhiro Usui, Shigeyoshi Matsubara 1992-07-14
5122320 Process for producing a multilayer article Shohei Masui, Nobuhiro Usui, Toshihiro Hosokawa, Ryuichi Ishitsubo 1992-06-16
5053179 Process for producing a multilayer molded article Syohei Masui, Nobuhiro Usui 1991-10-01
4873041 Process for producing a multilayer molded article Syohei Masui, Nobuhiro Usui 1989-10-10