HS

Hiroyasu Sumida

Ricoh Company: 11 patents #2,054 of 9,818Top 25%
SY Sysmex: 1 patents #499 of 868Top 60%
Overall (All Time): #412,436 of 4,157,543Top 10%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
11099200 Pretreatment apparatus and pretreatment method Takeshi Yamamoto, Yoshihiko Kitawaki, Seiichiro Tabata 2021-08-24
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
6226102 Image forming apparatus which forms an image based on stored image data Moriyuki Koike, Takahiko Uno, Tsuyoshi Endoh, Hisashi Ishiguro, Kouichi Kanaya +6 more 2001-05-01
5987227 Image forming apparatus and method for detecting and eliminating avoidable image reading operations Tsuyoshi Endo, Toshiya Tagawa, Kouichi Kanaya, Moriyuki Koike, Hiroshi Mori +6 more 1999-11-16
5877864 Image forming apparatus which determines if memory will overflow before reading an image to store in the memory Toshiya Tagawa 1999-03-02
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
5550623 Digital copying machine having selective paper feed based on copy productivity Kan Tomita, Toshihiko Majima, Toshiya Tagawa 1996-08-27
5383754 Image forming apparatus having an image orientation identifying device and a binding device Akihisa Itabashi, Hiroshi Fukano, Hiroyasu Shijo, Hiroshi Takashima, Takeshi Ogiwara +1 more 1995-01-24
5049932 Copier having an editing function 1991-09-17
4980725 Background accenuating image forming apparatus 1990-12-25
4881101 Device for setting operation modes of office equipment 1989-11-14
4851878 Copy information output device for a copier 1989-07-25