Growing community of inventors

Funabashi, Japan

Hajime Kasai

Average Co-Inventor Count = 4.00

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 = 12

Hajime Kasai ↔ Takao Oosawa (1 patent)Hajime Kasai ↔ Joji Nishiyama (1 patent)Hajime Kasai ↔ Etsuro Hirose (1 patent)Hajime KasaiHajime Kasai (1 patent)Takao OosawaTakao Oosawa (7 patents)Joji NishiyamaJoji Nishiyama (3 patents)Etsuro HiroseEtsuro Hirose (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hitachi, Ltd. (1 from 42,488 patents)


1 patent:

1. D271815 - Combined electric washer and clothes dryer

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12/12/2025
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