Growing community of inventors

Hitachi, Japan

Etsuro Hirose

Average Co-Inventor Count = 4.00

ph-index = 3

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 = 42

Etsuro HiroseHaruyuki Kaito (2 patents)Etsuro HiroseToshiro Mori (2 patents)Etsuro HiroseKimio Takahashi (2 patents)Etsuro HiroseTakao Oosawa (1 patent)Etsuro HiroseJoji Nishiyama (1 patent)Etsuro HiroseHajime Kasai (1 patent)Etsuro HiroseEtsuro Hirose (3 patents)Haruyuki KaitoHaruyuki Kaito (4 patents)Toshiro MoriToshiro Mori (3 patents)Kimio TakahashiKimio Takahashi (2 patents)Takao OosawaTakao Oosawa (7 patents)Joji NishiyamaJoji Nishiyama (3 patents)Hajime KasaiHajime Kasai (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hitachi, Ltd. (3 from 42,488 patents)


3 patents:

1. 4551996 - Washing machine with drier

2. 4507942 - Washing machine with drier

3. D271815 - Combined electric washer and clothes dryer

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as of
12/13/2025
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