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Shizuoka, Japan

Keizo Chiba

Average Co-Inventor Count = 7.00

ph-index = 1

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 2

Keizo ChibaHiroshi Sano (4 patents)Keizo ChibaKazuhisa Sudo (4 patents)Keizo ChibaFumihito Itoh (4 patents)Keizo ChibaHiroshi Tateishi (4 patents)Keizo ChibaHirosato Amano (4 patents)Keizo ChibaTetsuo Noji (4 patents)Keizo ChibaKeizo Chiba (4 patents)Hiroshi SanoHiroshi Sano (94 patents)Kazuhisa SudoKazuhisa Sudo (52 patents)Fumihito ItohFumihito Itoh (23 patents)Hiroshi TateishiHiroshi Tateishi (19 patents)Hirosato AmanoHirosato Amano (18 patents)Tetsuo NojiTetsuo Noji (11 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ricoh Company, Ltd. (4 from 28,584 patents)


4 patents:

1. 7826778 - Powder supplying device and image forming device

2. 7773918 - Imaging apparatus having particle supply and collection apparatus arranged outside imaging apparatus

3. 7489892 - Particle supply apparatus and imaging apparatus having a gas spouting unit for fluidizing the particles

4. 7463853 - Particle supply apparatus, imaging apparatus, and monitoring system

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