HI

Hiroshi Itayama

SI Sanyo Chemical Industries: 5 patents #38 of 607Top 7%
Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
Overall (All Time): #1,038,658 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6680286 Detergent composition comprising a quaternary ammonium salt of a carboxyl containing polymer Koji Kawaguchi 2004-01-20
6641804 Hair treatment and method of treating hair using compounded resin containing urethane resin Atsushi Ohta, Masaya Tomioka 2003-11-04
5652320 Polymer containing N-sulfoamino group, fiber formed therefrom, and magnetic recording medium containing the same Takashi Takemoto, Toshiro Shimada 1997-07-29
5578680 Vibration-absorbing elastomeric composite, process for making the same, and vibration damper comprising the same Takao Ando, Katsura Gohda, Eiji Ichihara 1996-11-26
5221785 Polymer composite and rubber contacts Takao Ando, Katsura Gohda 1993-06-22