Growing community of inventors

Sakai, Japan

Fumio Hagiwara

Average Co-Inventor Count = 1.67

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 = 17

Fumio Hagiwara ↔ Toru Seki (1 patent)Fumio Hagiwara ↔ Shinya Izawa (1 patent)Fumio Hagiwara ↔ Kazuya Nishimura (1 patent)Fumio Hagiwara ↔ Takahiro Morioka (1 patent)Fumio HagiwaraFumio Hagiwara (2 patents)Toru SekiToru Seki (19 patents)Shinya IzawaShinya Izawa (9 patents)Kazuya NishimuraKazuya Nishimura (5 patents)Takahiro MoriokaTakahiro Morioka (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Japan Cash Machine Co., Ltd. (1 from 117 patents)

2. Varitronic Systems, Inc. (1 from 18 patents)


2 patents:

1. D614237 - Document validator

2. D283628 - Printing machine

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idiyas.com
as of
12/10/2025
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