Growing community of inventors

Sayama, Japan

Hideki Oshima

Average Co-Inventor Count = 2.00

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 = 7

Hideki OshimaTamaki Ohashi (2 patents)Hideki OshimaHideki Oshima (2 patents)Tamaki OhashiTamaki Ohashi (16 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Tuner Co., Ltd. (2 from 2 patents)


2 patents:

1. 5276567 - Tape player

2. 5130872 - Cassette tape player having an actuating mechanism for changing

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as of
1/7/2026
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