Growing community of inventors

Aichi-ken, Japan

Yoshiyuki Sakuma

Average Co-Inventor Count = 4.69

ph-index = 5

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 = 63

Yoshiyuki SakumaChiharu Totani (4 patents)Yoshiyuki SakumaHiroyuki Tajima (3 patents)Yoshiyuki SakumaTakashi Hosokawa (3 patents)Yoshiyuki SakumaAkiyoshi Nagano (1 patent)Yoshiyuki SakumaShigeru Yabuya (1 patent)Yoshiyuki SakumaTakuji Nagata (1 patent)Yoshiyuki SakumaKazuhiro Kawamura (1 patent)Yoshiyuki SakumaKazumichi Shigeno (1 patent)Yoshiyuki SakumaHideki Kajio (1 patent)Yoshiyuki SakumaHiroshi Kondo (1 patent)Yoshiyuki SakumaShouji Kawakami (1 patent)Yoshiyuki SakumaYasuyuki Osawa (1 patent)Yoshiyuki SakumaYoshiyuki Sakuma (5 patents)Chiharu TotaniChiharu Totani (54 patents)Hiroyuki TajimaHiroyuki Tajima (39 patents)Takashi HosokawaTakashi Hosokawa (3 patents)Akiyoshi NaganoAkiyoshi Nagano (36 patents)Shigeru YabuyaShigeru Yabuya (22 patents)Takuji NagataTakuji Nagata (13 patents)Kazuhiro KawamuraKazuhiro Kawamura (9 patents)Kazumichi ShigenoKazumichi Shigeno (8 patents)Hideki KajioHideki Kajio (5 patents)Hiroshi KondoHiroshi Kondo (2 patents)Shouji KawakamiShouji Kawakami (2 patents)Yasuyuki OsawaYasuyuki Osawa (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Toyoda Gosei Co., Ltd. (5 from 3,078 patents)

2. Howa Plastics Co., Ltd. (1 from 15 patents)


5 patents:

1. 8245357 - Assist grip

2. 6715812 - Method of mounting assist grip and mounting structure thereof

3. 6594862 - Grip, molding method and molding apparatus therefor

4. 6485048 - Head protection air bag apparatus

5. 6431640 - Assist grip

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as of
12/10/2025
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