Growing community of inventors

Tokyo, Japan

Daisyuu Hirayama

Average Co-Inventor Count = 5.00

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

Daisyuu HirayamaYasuhiro Tanimura (1 patent)Daisyuu HirayamaKoji Ota (1 patent)Daisyuu HirayamaMasao Kawasaki (1 patent)Daisyuu HirayamaTakesi Sugimoto (1 patent)Daisyuu HirayamaDaisyuu Hirayama (1 patent)Yasuhiro TanimuraYasuhiro Tanimura (24 patents)Koji OtaKoji Ota (10 patents)Masao KawasakiMasao Kawasaki (1 patent)Takesi SugimotoTakesi Sugimoto (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Mitsubishi Denki Kabushiki Kaisha (1 from 21,351 patents)


1 patent:

1. 6103190 - Microorganism multiplication preventing method and apparatus

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1/5/2026
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