Growing community of inventors

Tokyo-to, Japan

Yutaka Ukitsu

Average Co-Inventor Count = 2.93

ph-index = 8

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 = 221

Yutaka UkitsuToshiro Yoshie (11 patents)Yutaka UkitsuTokihiko Ikuno (9 patents)Yutaka UkitsuToru Miyachi (3 patents)Yutaka UkitsuYutaka Ukitsu (11 patents)Toshiro YoshieToshiro Yoshie (18 patents)Tokihiko IkunoTokihiko Ikuno (11 patents)Toru MiyachiToru Miyachi (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Combi Corporation (11 from 192 patents)


11 patents:

1. 7984923 - Stroller

2. 7661566 - Infant carrier with hood

3. 7631887 - Stroller

4. 7513512 - Stroller

5. D551598 - Rail guard for baby carriage

6. 7152772 - Diaper bag

7. 7090239 - Stroller

8. 6863296 - Guard arm with drink container holding structure and stroller provided with the same

9. 6851700 - Stroller with a reclining mechanism

10. 6719371 - Child chair

11. D487189 - Knapsack

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as of
1/1/2026
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