Growing community of inventors

Kyoto, Japan

Jun Akai

Average Co-Inventor Count = 2.00

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 = 2

Jun Akai ↔ Hiroshi Nishida (1 patent)Jun Akai ↔ Tsuguo Watanabe (1 patent)Jun Akai ↔ Hiroshi 2-9-9-304 Oharano Nishida (0 patent)Jun Akai ↔ Hiroshi Nishida (1 patent)Jun AkaiJun Akai (1 patent)Hiroshi NishidaHiroshi Nishida (44 patents)Tsuguo WatanabeTsuguo Watanabe (1 patent)Hiroshi 2-9-9-304 Oharano NishidaHiroshi 2-9-9-304 Oharano Nishida (0 patent)Hiroshi NishidaHiroshi Nishida (6 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nippon Shinyaku Company, Ltd. (1 from 229 patents)

2. Toyo Tire Rubber Co., Ltd. (967 patents)


1 patent:

1. 7612205 - Crystals of quinolinecarboxylic acid derivative solvate

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as of
1/11/2026
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