SK

Shizuo Kitahara

NC Nippon Zeon Co.: 19 patents #7 of 609Top 2%
ZE Zeon: 9 patents #68 of 734Top 10%
NO Nippon Oil: 3 patents #192 of 773Top 25%
HI Harima Chemicals, Incorporated: 2 patents #40 of 188Top 25%
CA Casco Nobel Ab: 1 patents #11 of 27Top 45%
VA Vantico: 1 patents #29 of 104Top 30%
📍 Kawaguchi, JP: #11 of 473 inventorsTop 3%
Overall (All Time): #132,454 of 4,157,543Top 4%
29
Patents All Time

Issued Patents All Time

Showing 1–25 of 29 patents

Patent #TitleCo-InventorsDate
8293346 Oxygen absorbent and oxygen-absorbing multi-layer body Yasushi Tanaka 2012-10-23
8293373 Oxygen-absorbing resin composition, oxygen-absorbing shaped article, packaging material and packaging container Jun Ishihara 2012-10-23
8147953 Laminate and process for producing the same Tetsuya Toyoshima, Kouichirou Maeda, Junji Kodemura, Yutaka Katoh 2012-04-03
8053051 Oxygen-absorbing barrier resin composition, film comprising the same, multilayer structure, and packing container Mako Kurakata, Jun Ishihara 2011-11-08
7776961 Oxygen absorber Kazuyo Terada 2010-08-17
7772326 Block copolymer and method for producing same 2010-08-10
7279533 Polar-group-containing cyclized rubber and process for producing same Toshio Kase 2007-10-09
7267887 Composite molding with adhesive composition layer comprising conjugated diene polymer having cyclic structure, and coating material Yasushi Tanaka, Atsushi Hayashi 2007-09-11
7144959 Modifier for hydrocarbon polymers, hydrocarbon polymer composition and moldings 2006-12-05
6277929 Polymerizable unsaturated compounds, curable resin compositions containing the same, and products of curing thereof Ichiro Kawabuchi, Hiroshi Hayashi 2001-08-21
6037413 Polyester, process for the production of the same, resin or rubber compositions containing the same, and moldings of the compositions Shinya Ikeda 2000-03-14
5780399 Oil-soluble polyester, additive for lubricating oil, and lubricating oil composition Yoshihide Ishikawa, Shinsuke Hasegawa, Michio Miyamoto, Yutaka Shikatani, Jinichi Igarashi 1998-07-14
5723417 Oil-soluble polyester, additive for lubricating oil, and lubricating oil composition Yutaka Shikatani, Junichi Igarashi, Yoshihide Ishikawa, Shinsuke Hasegawa, Michio Miyamoto 1998-03-03
5372614 Sludge dispersing agent for fuel oil and fuel oil composition containing the same Kazuhisa Kanefuji, Akio Oda, Hiromoto Inoura, Shigeru Kinomoto 1994-12-13
5294233 Additive for organic medium or thermoplastic polymer Hiroyuki Watanabe, Takuji Kishimoto, Tetuya Toyoshima, Takafumi Kawanaka, Kohkichi Noguchi 1994-03-15
5272212 Colored spherical fine particles, process for production thereof and applications thereof 1993-12-21
5247009 Rubber composition containing rubbery polymer and modified liquid polymer 1993-09-21
5217839 Preparation process of toner Fumio Yamada, Hiromitsu Kikuchi, Tsuyoshi Yamamoto, Jun Saito 1993-06-08
5151333 Magnetic recording medium comprising a magnetic layer or backcoat layer containing a specified dispersant Eitaro Nakamura, Yoichiro Kubo 1992-09-29
5110886 Compatibilizing agent and polymer blend composition using the same Tetuya Toyoshima 1992-05-05
5043396 Novel crosslinked polymer having shape memorizing property, method of its use, and molded article having shape memory Nobuo Nagata 1991-08-27
4704427 Method for improving rubbers Fujito Nakakawaji 1987-11-03
4677153 Method for modifying rubbers Yoshitsugu Hirokawa, Toshihiro Fujii 1987-06-30
4654435 Process for addition reaction of unsaturated organic compounds Yoshitsugu Hirokawa, Haruki Kawada, Toshihiro Fujii, Nagatoshi Sugi, Hiroaki Hasegawa +1 more 1987-03-31
4542190 Cis-1,4-polyisoprene rubber composition Toshihiro Fujii, Nagatoshi Sugi 1985-09-17