Growing community of inventors

Chiba, Japan

Ryohei Yamada

Average Co-Inventor Count = 1.35

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 = 1

Ryohei YamadaMasahiro Takizawa (1 patent)Ryohei YamadaToshio Negishi (1 patent)Ryohei YamadaYoshikazu Sato (1 patent)Ryohei YamadaKazuhiro Oyoshi (1 patent)Ryohei YamadaMakoto Arima (1 patent)Ryohei YamadaMizuki Wakabayashi (1 patent)Ryohei YamadaRyohei Yamada (7 patents)Masahiro TakizawaMasahiro Takizawa (86 patents)Toshio NegishiToshio Negishi (25 patents)Yoshikazu SatoYoshikazu Sato (19 patents)Kazuhiro OyoshiKazuhiro Oyoshi (15 patents)Makoto ArimaMakoto Arima (11 patents)Mizuki WakabayashiMizuki Wakabayashi (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Canon Kabushiki Kaisha (6 from 90,756 patents)

2. Fujifilm Business Innovation Corp. (1 from 2,124 patents)


7 patents:

1. 12263676 - Printing element board and printing apparatus including printing element board

2. 11842006 - Information processing apparatus

3. 11550526 - Image forming system that suitably carries out communication using mobile communication system, control method therefor, and storage medium

4. 11487511 - Information processing apparatus and non-transitory computer readable medium

5. 11429326 - Image forming system and image forming apparatus

6. 10832727 - Information processing apparatus

7. 9614402 - Power transmission apparatus, power reception apparatus, wireless power feeding system, and control method thereof

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as of
1/2/2026
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