Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7879929 | Quinophthalone compound, mixed colorant, laser ray transmitting colored resin composition, and laser-welded product | Shuji Sugawara | 2011-02-01 |
| 7713607 | Laser-welded article of laser-transmissible workpiece including alkaline earth metal salt of anthraquinone acidic dye | Syuuji Sugawara, Toshihiro Okanishi | 2010-05-11 |
| 7714045 | Colored thermoplastic resin compositions for laser welding, anthraquinone colorants therefor and molded product therfrom | Reiko Koshida, Hiroyuki Sumi, Ryuichi Hayashi | 2010-05-11 |
| 7513947 | Colored thermoplastic resin compositions for laser welding, specific neutral anthraquinone dyes as colorants therefor, and molded product therefrom | Reiko Koshida, Ryuichi Hayashi, Hiroyuki Sumi | 2009-04-07 |
| 7485675 | Colored thermoplastic resin compositions for laser welding, specific neutral anthraquinone dyes as colorants therefor, and molded product therefrom | Reiko Koshida, Ryuichi Hayashi, Hiroyuki Sumi | 2009-02-03 |
| 7456238 | Fabricated resin products for laser welding and including transmitting and absorbing black colorants, and colored resin compositions therefor | Reiko Koshida, Ryuichi Hayashi | 2008-11-25 |
| 7268175 | Thermoplastic resin compositions for laser welding and articles formed therefrom | Reiko Koshida | 2007-09-11 |
| 7153384 | Laser ray transmitting colored thermoplastic resin composition and method of laser welding | Shuji Sugawara | 2006-12-26 |
| 7053140 | Colored thermoplastic resin compositions for laser welding, colorants therefor of mixtures of amine salts of anthraquinone and monoazo complex dyes, and molded product therefrom | Reiko Koshida, Ryuichi Hayashi | 2006-05-30 |
| 5670287 | Magnetic carrier for electrophotographic developing agent and method of producing the same | Hideaki Kawata, Tomohide Iida, Hidekazu Tamura, Nobuaki Kawano | 1997-09-23 |