YM

Yuji Marukawa

KO Konica: 6 patents #429 of 1,958Top 25%
KC Konishiroku Photo Industry Co.: 1 patents #532 of 894Top 60%
Overall (All Time): #761,847 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
6090517 Two component type developer for electrostatic latent image Kishio Tamura, Mayumi Hayashi, Masafumi Uchida, Kenji Yamane 2000-07-18
6010813 Toner and developers for developing static latent image Kensuke Endo 2000-01-04
5738964 Electrophotographic toner with specific high, medium, and low molecullar weight peaks Tsuyoshi Uchida, Hiroyuki Kozuru 1998-04-14
5679491 Toner used for developing an electrostatic charge image Tomomi Oshiba, Kenji Yamane, Hatsumi Yamada 1997-10-21
5637431 Developer for electrophotography Kenji Yamane, Tomomi Oshiba 1997-06-10
5604574 Electrophotographic image-forming method Katsumi Matsuura, Yoshihiko Etoh 1997-02-18
4673629 Photoreceptor having amorphous silicon layers Toshinori Yamazaki, Tatsuo Nakanishi, Shigeki Takenouchi, Hiroyuki Nomori 1987-06-16