Growing community of inventors

Kanagawa, Japan

Tsutomu Ohira

Average Co-Inventor Count = 3.00

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 = 0

Tsutomu OhiraKazuhiro Watanabe (2 patents)Tsutomu OhiraRyoichi Oka (2 patents)Tsutomu OhiraTsutomu Ohira (2 patents)Kazuhiro WatanabeKazuhiro Watanabe (23 patents)Ryoichi OkaRyoichi Oka (8 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Graphtec Corporation (2 from 32 patents)


2 patents:

1. 10279503 - Cutting pen, cutting plotter, and blade extension amount control method of cutting plotter

2. 10173364 - Control method of embossing apparatus

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
12/12/2025
Loading…