KS

Koji Sakamoto

HI Hitachi: 1 patents #1,533 of 3,950Top 40%
Ricoh Company: 1 patents #186 of 609Top 35%
Overall (2002): #54,373 of 266,432Top 25%
2
Patents 2002

Issued Patents 2002

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6372367 Magnetic recording medium, method for producing the same and magnetic recording apparatus using the same Yoshibumi Matsuda, Yotsuo Yahisa, Hiroyuki Suzuki, Yoko Ogawa, Hiroshi Tani +3 more 2002-04-16
6342910 Image forming apparatus to form smooth image with inconspicuous granularity Noboru Sawayama 2002-01-29