Growing community of inventors

Hachioji, Japan

Hatsumi Yamada

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 = 4

Hatsumi YamadaKenji Yamane (1 patent)Hatsumi YamadaTomomi Oshiba (1 patent)Hatsumi YamadaYuji Marukawa (1 patent)Hatsumi YamadaHatsumi Yamada (1 patent)Kenji YamaneKenji Yamane (86 patents)Tomomi OshibaTomomi Oshiba (31 patents)Yuji MarukawaYuji Marukawa (7 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Konica Corporation (1 from 3,106 patents)


1 patent:

1. 5679491 - Toner used for developing an electrostatic charge image

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12/13/2025
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