Growing community of inventors

Wako, Japan

Ryuya Kawaji

Average Co-Inventor Count = 5.41

ph-index = 2

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 = 11

Ryuya KawajiGo Shimizu (7 patents)Ryuya KawajiYuji Tsuchiya (6 patents)Ryuya KawajiMasayoshi Takori (6 patents)Ryuya KawajiToshinori Sugiyama (5 patents)Ryuya KawajiYasuhiko Kunii (5 patents)Ryuya KawajiMasahiro Kishigami (5 patents)Ryuya KawajiNaoto Inoue (2 patents)Ryuya KawajiShunichi Nakano (2 patents)Ryuya KawajiKoji Hirata (1 patent)Ryuya KawajiAkira Ono (1 patent)Ryuya KawajiRyuya Kawaji (8 patents)Go ShimizuGo Shimizu (18 patents)Yuji TsuchiyaYuji Tsuchiya (31 patents)Masayoshi TakoriMasayoshi Takori (25 patents)Toshinori SugiyamaToshinori Sugiyama (60 patents)Yasuhiko KuniiYasuhiko Kunii (37 patents)Masahiro KishigamiMasahiro Kishigami (13 patents)Naoto InoueNaoto Inoue (9 patents)Shunichi NakanoShunichi Nakano (3 patents)Koji HirataKoji Hirata (254 patents)Akira OnoAkira Ono (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Maxell, Ltd. (5 from 881 patents)

2. Honda Motor Co., Ltd. (3 from 21,831 patents)


8 patents:

1. 12358423 - Optical device and direction display device

2. 11780365 - Optical device and direction display device

3. 11447064 - Vehicle body side structure

4. 10894508 - Optical device and direction display device

5. 10829036 - Road sign projector and vehicle lamp

6. 10661706 - Optical device and direction display device

7. 10386036 - Vehicle body structure

8. 10295143 - Light unit and vehicle

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as of
12/8/2025
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