Growing community of inventors

Funabashi, Japan

Kazuhiko 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 = 10

Kazuhiko Hayakawa ↔ Toshiki Mori (1 patent)Kazuhiko Hayakawa ↔ Masayoshi Kotake (1 patent)Kazuhiko HayakawaKazuhiko Hayakawa (1 patent)Toshiki MoriToshiki Mori (2 patents)Masayoshi KotakeMasayoshi Kotake (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nissan Chemical Industries Limited (1 from 1,235 patents)


1 patent:

1. 4264463 - Process for removing calcium oxalate scale

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12/21/2025
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