Growing community of inventors

Gunma-ken, Japan

Hiroshi Oya

Average Co-Inventor Count = 5.14

ph-index = 5

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 = 159

Hiroshi OyaYoshimi Okamoto (6 patents)Hiroshi OyaHideki Oba (6 patents)Hiroshi OyaToru Fujisawa (6 patents)Hiroshi OyaAkira Otsuki (4 patents)Hiroshi OyaHiroya Ishigaki (3 patents)Hiroshi OyaHiroshi Oya (6 patents)Yoshimi OkamotoYoshimi Okamoto (9 patents)Hideki ObaHideki Oba (7 patents)Toru FujisawaToru Fujisawa (7 patents)Akira OtsukiAkira Otsuki (7 patents)Hiroya IshigakiHiroya Ishigaki (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sanyo Electric Co., Ltd. (5 from 8,780 patents)


6 patents:

1. D456068 - Air conditioner

2. D453957 - Air conditioner

3. D451586 - Air conditioner

4. D433492 - Air conditioner

5. D423452 - AC/DC converter

6. D417724 - Air conditioner

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idiyas.com
as of
12/20/2025
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