MY

Mayumi Yamamoto

Canon: 31 patents #1,730 of 19,416Top 9%
SC Screen Holdings Co.: 2 patents #326 of 686Top 50%
SC Senju Pharmaceutical Co.: 1 patents #120 of 231Top 55%
DC Dena Co.: 1 patents #81 of 210Top 40%
TD The Doshisha: 1 patents #48 of 175Top 30%
UK Ushio Denki Kabushiki Kaisha: 1 patents #309 of 583Top 55%
Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
KT Kabushiki Kaisha Toshiba: 1 patents #13,537 of 21,451Top 65%
Overall (All Time): #85,174 of 4,157,543Top 3%
38
Patents All Time

Issued Patents All Time

Showing 26–38 of 38 patents

Patent #TitleCo-InventorsDate
5258505 Trisazo compounds, and dye compositions containing same Tsuyoshi Eida, Takao Yamamoto 1993-11-02
5215577 Ink, and ink-jet recording method and apparatus employing the ink Tsuyoshi Eida, Takao Yamamoto 1993-06-01
5215578 Ink containing tris-azo dye, ink-jet recording method and apparatus using the same Tsuyoshi Eida, Takao Yamamoto 1993-06-01
5213614 Ink, ink jet recording process and recording apparatus using the same Tsuyoshi Eida, Takao Yamamoto 1993-05-25
5202756 Color signal processing apparatus using plural luminance signals Takashi Sasaki, Akihiko Shiraishi 1993-04-13
5178671 Ink, and ink-jet recording method and apparatus employing the ink Takao Yamamoto, Tsuyoshi Eida 1993-01-12
5167703 Ink, ink-jet recording process and instrument making use of the ink Tsuyoshi Eida, Takao Yamamoto 1992-12-01
5130723 Ink, and ink-jet recording method and apparatus employing the ink Takao Yamamoto, Tsuyoshi Eida 1992-07-14
5127946 Ink, and ink-jet recording method and apparatus employing the ink Tsuyoshi Eida, Takao Yamamoto 1992-07-07
5123960 Ink and ink jet recording method employing the same Katsuhiro Shirota, Tsuyoshi Eida, Takao Yamamoto 1992-06-23
5082496 Ink, and ink-jet recording method and apparatus employing the ink Takao Yamamoto, Tsuyoshi Eida 1992-01-21
4865675 Process of and apparatus for hot pressure adhesion treatments Eiichi Suzuki, Yoshitaka Watanabe 1989-09-12
4756963 Protective member and print protection method using the same Eiichi Suzuki, Reiko Yanagiba, Shigeo Toganoh, Toshiaki Kimura 1988-07-12