Growing community of inventors

Funabashi, Japan

Hajime Oshida

Average Co-Inventor Count = 6.00

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 = 4

Hajime Oshida ↔ Tadashi Koizumi (1 patent)Hajime Oshida ↔ Toshio Jojima (1 patent)Hajime Oshida ↔ Tadashi Yokoi (1 patent)Hajime Oshida ↔ Shiro Takano (1 patent)Hajime Oshida ↔ Muneo Kato (1 patent)Hajime OshidaHajime Oshida (1 patent)Tadashi KoizumiTadashi Koizumi (3 patents)Toshio JojimaToshio Jojima (1 patent)Tadashi YokoiTadashi Yokoi (1 patent)Shiro TakanoShiro Takano (1 patent)Muneo KatoMuneo Kato (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ebara Corporation (1 from 2,509 patents)

2. Mitsui Toatsu Chemicals, Incorporated (1 from 1,379 patents)

3. Toyo Engineering Corporation (1 from 170 patents)


1 patent:

1. 4121839 - Sealing system for use in composite multi-stage pump

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as of
12/20/2025
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