AO

Akira Oyamaguchi

Ricoh Company: 7 patents #2,977 of 9,818Top 35%
Overall (All Time): #761,384 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
6248488 Image formation method using color toners Nobutaka Kinoshita, Mitsuo Aoki, Shinichi Kuramoto, Hiroshi Sugimoto 2001-06-19
6120960 Image forming method and dry toner therefor Mitsuo Aoki, Nobutaka Kinoshita 2000-09-19
6060201 Image forming method using color developers Nobutaka Kinoshita, Mitsuo Aoki 2000-05-09
5994016 Dry developer for developing electrostatic latent image Shinichi Kuramoto, Mitsuo Aoki, Masakazu Yashiro, Hiroshi Sugimoto 1999-11-30
5436642 Recording process for forming imaging on novel recording medium Yasuo Katano, Hidenori Tomono 1995-07-25
5200762 Image forming apparatus Yasuo Katano, Yasuyuki Okada, Takeshi Takemoto, Yoshio Watanabe 1993-04-06
5175568 Process and apparatus for forming image on novel recording medium Yasuo Katano, Kiyofumi Nagai 1992-12-29