Growing community of inventors

Hiroshima, Japan

Masayuki Daio

Average Co-Inventor Count = 3.53

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 = 33

Masayuki DaioTatsuaki Uehara (2 patents)Masayuki DaioTakashi Yamashita (2 patents)Masayuki DaioMasaharu Ohnishi (2 patents)Masayuki DaioHirofumi Yamane (2 patents)Masayuki DaioKoichi Hotta (2 patents)Masayuki DaioHiroyuki Tsukamoto (1 patent)Masayuki DaioKouichi Hotta (1 patent)Masayuki DaioShigehito Horiuchi (1 patent)Masayuki DaioTomonori Nakamura (1 patent)Masayuki DaioNoriyuki Otsuka (1 patent)Masayuki DaioHakurei Watanabe (1 patent)Masayuki DaioNoriyuki Otsuka (0 patent)Masayuki DaioTomonori Nakamura (0 patent)Masayuki DaioMasayuki Daio (5 patents)Tatsuaki UeharaTatsuaki Uehara (24 patents)Takashi YamashitaTakashi Yamashita (12 patents)Masaharu OhnishiMasaharu Ohnishi (10 patents)Hirofumi YamaneHirofumi Yamane (3 patents)Koichi HottaKoichi Hotta (3 patents)Hiroyuki TsukamotoHiroyuki Tsukamoto (11 patents)Kouichi HottaKouichi Hotta (10 patents)Shigehito HoriuchiShigehito Horiuchi (7 patents)Tomonori NakamuraTomonori Nakamura (1 patent)Noriyuki OtsukaNoriyuki Otsuka (1 patent)Hakurei WatanabeHakurei Watanabe (1 patent)Noriyuki OtsukaNoriyuki Otsuka (0 patent)Tomonori NakamuraTomonori Nakamura (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nishikawa Rubber Co., Ltd. (3 from 233 patents)

2. Other (2 from 833,002 patents)

3. Toyota Jidosha Kabushiki Kaisha (1 from 36,922 patents)

4. Honda Giken Kogyo Kabushiki Kaisha (1 from 10,092 patents)

5. Yachiyo Industry Co., Ltd. (1 from 124 patents)


5 patents:

1. 9738146 - Weather strip for automobiles

2. 8181397 - Vehicle door sash molding end retention structure

3. 8152229 - Sunroof apparatus

4. 6832451 - Weather strip for use on a sunroof

5. 6811213 - Weather strip for use on a sunroof

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idiyas.com
as of
1/21/2026
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