Growing community of inventors

Hiroshima, Japan

Rika Miyoshi

Average Co-Inventor Count = 6.00

ph-index = 1

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 = 36

Rika Miyoshi ↔ Tadamoto Sakai (1 patent)Rika Miyoshi ↔ Kunihiko Koyanagi (1 patent)Rika Miyoshi ↔ Yukihiro Sumihiro (1 patent)Rika Miyoshi ↔ Noriaki Hashimoto (1 patent)Rika Miyoshi ↔ Kayoko Yokota (1 patent)Rika MiyoshiRika Miyoshi (1 patent)Tadamoto SakaiTadamoto Sakai (5 patents)Kunihiko KoyanagiKunihiko Koyanagi (3 patents)Yukihiro SumihiroYukihiro Sumihiro (2 patents)Noriaki HashimotoNoriaki Hashimoto (2 patents)Kayoko YokotaKayoko Yokota (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. The Japan Steel Works, Ltd. (1 from 408 patents)


1 patent:

1. 5574129 - Process for producing lactic acid polymers and a process for the direct

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12/29/2025
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