Growing community of inventors

Ibaraki, Japan

Yoshitaka Kawahara

Average Co-Inventor Count = 4.00

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 = 0

Yoshitaka KawaharaMikio Takeuchi (1 patent)Yoshitaka KawaharaYasuo Hara (1 patent)Yoshitaka KawaharaRyuji Oashi (1 patent)Yoshitaka KawaharaYoshitaka Kawahara (1 patent)Mikio TakeuchiMikio Takeuchi (7 patents)Yasuo HaraYasuo Hara (2 patents)Ryuji OashiRyuji Oashi (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Japan Synthetic Rubber Co., Ltd. (1 from 377 patents)


1 patent:

1. 4861931 - Process for producing 5-alkylidenenorbornene

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12/16/2025
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