Growing community of inventors

Hyogo, Japan

Naoki Sakai

Average Co-Inventor Count = 1.76

ph-index = 3

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 = 57

Naoki SakaiYoshihiko Maeno (2 patents)Naoki SakaiYasushi Seike (2 patents)Naoki SakaiSatoru Kishimoto (2 patents)Naoki SakaiTadayuki Yamashita (1 patent)Naoki SakaiToshihiko Danno (1 patent)Naoki SakaiNaoki Sakai (5 patents)Yoshihiko MaenoYoshihiko Maeno (10 patents)Yasushi SeikeYasushi Seike (7 patents)Satoru KishimotoSatoru Kishimoto (4 patents)Tadayuki YamashitaTadayuki Yamashita (3 patents)Toshihiko DannoToshihiko Danno (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Fujitsu Ten Limited (5 from 902 patents)


5 patents:

1. 7420291 - Security apparatus

2. 7391301 - Antitheft device, monitoring device and antitheft system

3. 7228213 - Vehicle environment control device

4. 7057497 - Security device

5. 6892119 - Vehicle antitheft device and vehicle antitheft system

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as of
1/7/2026
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