HF

Haruhiko Fukuda

Ricoh Company: 5 patents #3,664 of 9,818Top 40%
Overall (All Time): #1,047,136 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6272248 Original-discrimination system for discriminating special document, and image forming apparatus, image processing apparatus and duplicator using the original-discrimination system Takashi Saitoh, Hiroshi Takahashi, Yoshio Kaneko, Shigeo Kurotaka, Toshiya Hikita +11 more 2001-08-07
5751854 Original-discrimination system for discriminating special document, and image forming apparatus, image processing apparatus and duplicator using the original-discrimination system Takashi Saitoh, Hiroshi Takahashi, Yoshio Kaneko, Shigeo Kurotaka, Toshiya Hikita +11 more 1998-05-12
5414535 Apparatus for reading image from original image on translucent film with automatic adjustment of the quantity of light from a light source Yoshiaki Kanmoto, Kohtaroh Yonenaga, Hiroyasu Shijo 1995-05-09
5287198 Image reading apparatus Kohtaroh Yonenaga 1994-02-15
4669859 Developing device Manabu Mochizuki, Itsuo Ikeda, Tsuneo Kurotori, Satoshi Shinguryo, Seiichi Miyakawa +2 more 1987-06-02