Growing community of inventors

Kodaira, Japan

Yojiro Fukui

Average Co-Inventor Count = 3.00

ph-index = 2

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 = 14

Yojiro FukuiKenji Tamada (1 patent)Yojiro FukuiTaro Kasagi (1 patent)Yojiro FukuiYoshimitsu Nagashima (1 patent)Yojiro FukuiYoshimi Takahashi (1 patent)Yojiro FukuiYojiro Fukui (2 patents)Kenji TamadaKenji Tamada (13 patents)Taro KasagiTaro Kasagi (7 patents)Yoshimitsu NagashimaYoshimitsu Nagashima (4 patents)Yoshimi TakahashiYoshimi Takahashi (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Silver Seiko Ltd. (2 from 54 patents)


2 patents:

1. 4830525 - Typewriter with pivoting keyboard

2. D299248 - Typewriter

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as of
12/20/2025
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