Growing community of inventors

Yachiyo, Japan

Masao Oura

Average Co-Inventor Count = 4.00

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 = 17

Masao OuraShigehisa Hagura (1 patent)Masao OuraRaiji Shimomura (1 patent)Masao OuraTsukasa Shiina (1 patent)Masao OuraKenjiro Fujii (1 patent)Masao OuraKazuyoshi Teramoto (1 patent)Masao OuraKazuyuki Tuburaya (1 patent)Masao OuraMasao Oura (2 patents)Shigehisa HaguraShigehisa Hagura (44 patents)Raiji ShimomuraRaiji Shimomura (6 patents)Tsukasa ShiinaTsukasa Shiina (6 patents)Kenjiro FujiiKenjiro Fujii (5 patents)Kazuyoshi TeramotoKazuyoshi Teramoto (3 patents)Kazuyuki TuburayaKazuyuki Tuburaya (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hitachi, Ltd. (2 from 42,485 patents)

2. Hitachi Keiyo Engineering Co., Ltd. (1 from 34 patents)


2 patents:

1. 5274750 - Robot teaching apparatus and method with skill level storage

2. 5115179 - Portable teaching apparatus

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as of
12/8/2025
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