Growing community of inventors

Osaka, Japan

Katsuhiko Ozeki

Average Co-Inventor Count = 1.33

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 = 24

Katsuhiko OzekiKumiko Nitta (2 patents)Katsuhiko OzekiAtsuko Okuma (1 patent)Katsuhiko OzekiEri Yamauchi (1 patent)Katsuhiko OzekiKatsuhiko Ozeki (8 patents)Kumiko NittaKumiko Nitta (8 patents)Atsuko OkumaAtsuko Okuma (4 patents)Eri YamauchiEri Yamauchi (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Clover Mfg. Co., Ltd. (8 from 137 patents)


8 patents:

1. D848870 - End portion of handicraft gauge

2. 10233575 - Assisting tool for making ornament

3. 9896791 - Pincushion

4. 9896789 - Weaving loom

5. D678741 - Pair of scissors

6. D611244 - Thimble for needle work

7. 6641516 - Bias tape maker

8. 5915603 - Loop turner

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as of
12/11/2025
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