Growing community of inventors

Kawasaki, Japan

Ryo Tamai

Average Co-Inventor Count = 1.83

ph-index = 4

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 = 99

Ryo TamaiJun Ebata (2 patents)Ryo TamaiHirofumi Endo (2 patents)Ryo TamaiMitsuaki Takeuchi (2 patents)Ryo TamaiReiko Itoh (2 patents)Ryo TamaiTakeshi Ukai (1 patent)Ryo TamaiMasakuni Kutsuwada (1 patent)Ryo TamaiRyo Tamai (5 patents)Jun EbataJun Ebata (7 patents)Hirofumi EndoHirofumi Endo (4 patents)Mitsuaki TakeuchiMitsuaki Takeuchi (3 patents)Reiko ItohReiko Itoh (2 patents)Takeshi UkaiTakeshi Ukai (15 patents)Masakuni KutsuwadaMasakuni Kutsuwada (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ricoh Company, Ltd. (5 from 28,577 patents)


5 patents:

1. 6035282 - Information processing apparatus and method utilizing useful additional

2. 5964864 - Information processing apparatus for separately processing code

3. 5819235 - Information processing apparatus and method utilizing useful

4. 5696365 - Bar code recording device for a paper media system

5. 5235572 - Optical disc accessing apparatus

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as of
12/31/2025
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