Growing community of inventors

Tokyo, Japan

Ichiya Hayakawa

Average Co-Inventor Count = 3.00

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 = 15

Ichiya Hayakawa ↔ Masanori Suzuki (1 patent)Ichiya Hayakawa ↔ Kazuo Nakamura (1 patent)Ichiya HayakawaIchiya Hayakawa (1 patent)Masanori SuzukiMasanori Suzuki (27 patents)Kazuo NakamuraKazuo Nakamura (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Other (1 from 832,912 patents)

2. Asahi Glass Company, Limited (1 from 2,560 patents)

3. Techno Ryowa Ltd. (1 from 3 patents)


1 patent:

1. 5249094 - Pulsed-DC ionizer

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1/7/2026
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