Growing community of inventors

Tokyo, Japan

Naomi Koishikawa

Average Co-Inventor Count = 2.67

ph-index = 2

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 = 15

Naomi Koishikawa ↔ Yukio Tatsumi (1 patent)Naomi Koishikawa ↔ Satoshi Miyamoto (1 patent)Naomi Koishikawa ↔ Kaoru Komiya (1 patent)Naomi Koishikawa ↔ Syunichi Endou (1 patent)Naomi KoishikawaNaomi Koishikawa (2 patents)Yukio TatsumiYukio Tatsumi (17 patents)Satoshi MiyamotoSatoshi Miyamoto (11 patents)Kaoru KomiyaKaoru Komiya (8 patents)Syunichi EndouSyunichi Endou (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nippon Paint Compnay, Ltd. (1 from 827 patents)

2. Asahi Denka Kogyo Kabushiki Kaisha (1 from 98 patents)

3. Asahi Denka Koygo Kabushiki Kaisha (1 from 2 patents)


2 patents:

1. 6465399 - Lubricant composition

2. 5534643 - Surface-treating agent for metal can and method for treating metal

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as of
12/15/2025
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