Growing community of inventors

Urawa, Japan

Kojiro Yamazaki

Average Co-Inventor Count = 1.76

ph-index = 9

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 = 281

Kojiro YamazakiYuichi Arai (4 patents)Kojiro YamazakiMikiya Tanaka (4 patents)Kojiro YamazakiNobuaki Takamizu (3 patents)Kojiro YamazakiMitsuru Washizuka (2 patents)Kojiro YamazakiHidenori Yanaka (1 patent)Kojiro YamazakiYoshihiro Tanaka (1 patent)Kojiro YamazakiKojiro Yamazaki (12 patents)Yuichi AraiYuichi Arai (11 patents)Mikiya TanakaMikiya Tanaka (4 patents)Nobuaki TakamizuNobuaki Takamizu (7 patents)Mitsuru WashizukaMitsuru Washizuka (6 patents)Hidenori YanakaHidenori Yanaka (2 patents)Yoshihiro TanakaYoshihiro Tanaka (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Combi Corporation (11 from 192 patents)

2. Co{dot Over (m)}bi Corporation (1 from 1 patent)


12 patents:

1. 7246813 - Baby carriage folding mechanism for a folding baby carriage

2. 7219958 - Child seat

3. 7007968 - Baby carriage folding mechanism for a folding baby carriage

4. 6877809 - Child car seat

5. 6877762 - Stroller

6. 6752413 - Baby carriage holding mechanism for a folding baby carriage

7. 6508510 - Child car seat

8. 6491343 - Booster seat

9. 6431647 - Swivel child car seat

10. 6422587 - Baby carriage folding mechanism for a folding baby carriage

11. 6390562 - Locking clip

12. 6378950 - Child car seat and head rest for the same

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as of
12/31/2025
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