Growing community of inventors

Tokyo, Japan

Yuji Oikawa

Average Co-Inventor Count = 1.15

ph-index = 14

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 = 658

Yuji OikawaDaisuke Ishii (4 patents)Yuji OikawaKatsuhisa Hakoda (4 patents)Yuji OikawaToshiyuki Hisatsune (2 patents)Yuji OikawaShinpei Hirano (1 patent)Yuji OikawaKen Yano (1 patent)Yuji OikawaNaoto Shimizu (1 patent)Yuji OikawaYuuki Kubota (1 patent)Yuji OikawaShigeya Kuwao (1 patent)Yuji OikawaJun Katsumata (1 patent)Yuji OikawaYasuhiro Kondo (8 patents)Yuji OikawaYuji Oikawa (30 patents)Daisuke IshiiDaisuke Ishii (95 patents)Katsuhisa HakodaKatsuhisa Hakoda (56 patents)Toshiyuki HisatsuneToshiyuki Hisatsune (45 patents)Shinpei HiranoShinpei Hirano (59 patents)Ken YanoKen Yano (49 patents)Naoto ShimizuNaoto Shimizu (30 patents)Yuuki KubotaYuuki Kubota (25 patents)Shigeya KuwaoShigeya Kuwao (21 patents)Jun KatsumataJun Katsumata (9 patents)Yasuhiro KondoYasuhiro Kondo (8 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sony Corporation (30 from 58,131 patents)


30 patents:

1. D692425 - Monitor display

2. D667008 - Monitor display

3. D615542 - Monitor display

4. D601143 - Monitor display

5. D580408 - Speaker box

6. D537435 - Combined amplifier and receiver

7. D537067 - Combined amplifier and receiver

8. D519977 - Disc player

9. D509818 - Disc player

10. D508910 - Speaker box

11. D508480 - Speaker box

12. D508042 - Speaker box

13. D506984 - Disc recorder

14. D506734 - Disc recorder

15. D505931 - Disc recorder

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idiyas.com
as of
12/30/2025
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