Growing community of inventors

Kyoto, Japan

Masayuki Yukawa

Average Co-Inventor Count = 1.57

ph-index = 9

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 = 606

Masayuki YukawaKatsuya Nakagawa (2 patents)Masayuki YukawaMasahiko Ota (2 patents)Masayuki YukawaJunji Takamoto (1 patent)Masayuki YukawaYoshitake Kato (1 patent)Masayuki YukawaTakashi Ogawa (1 patent)Masayuki YukawaYoshitane Tsuburaya (1 patent)Masayuki YukawaTamotsu Iida (1 patent)Masayuki YukawaSeishi Oida (1 patent)Masayuki YukawaKunihiro Tanaka (1 patent)Masayuki YukawaShigeki Sakaguchi (1 patent)Masayuki YukawaYutaka Shirae (1 patent)Masayuki YukawaKouji Omori (1 patent)Masayuki YukawaTadahiro Kuwa (1 patent)Masayuki YukawaToshiyuki Nakazawa (1 patent)Masayuki YukawaMasanori Uematsu (1 patent)Masayuki YukawaMasaki Nomura (1 patent)Masayuki YukawaMakoto Miura (1 patent)Masayuki YukawaMasayuki Yukawa (10 patents)Katsuya NakagawaKatsuya Nakagawa (34 patents)Masahiko OtaMasahiko Ota (20 patents)Junji TakamotoJunji Takamoto (91 patents)Yoshitake KatoYoshitake Kato (26 patents)Takashi OgawaTakashi Ogawa (14 patents)Yoshitane TsuburayaYoshitane Tsuburaya (11 patents)Tamotsu IidaTamotsu Iida (8 patents)Seishi OidaSeishi Oida (7 patents)Kunihiro TanakaKunihiro Tanaka (4 patents)Shigeki SakaguchiShigeki Sakaguchi (4 patents)Yutaka ShiraeYutaka Shirae (3 patents)Kouji OmoriKouji Omori (2 patents)Tadahiro KuwaTadahiro Kuwa (1 patent)Toshiyuki NakazawaToshiyuki Nakazawa (1 patent)Masanori UematsuMasanori Uematsu (1 patent)Masaki NomuraMasaki Nomura (1 patent)Makoto MiuraMakoto Miura (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nintendo Co., Ltd. (9 from 2,811 patents)

2. Matsushita Electric Industrial Co., Ltd. (1 from 27,375 patents)

3. Hitachi Maxwell, Ltd. (1 from 56 patents)


10 patents:

1. 6917118 - Semiconductor device

2. 5759104 - Connector and adapter utilizing connector

3. 5537389 - Disk cartridge having a single closing energizer for closing two

4. D312081 - Cartridge for game machine

5. 4922420 - Video game software selection data processing system

6. 4865321 - Memory cartridge and information processor unit using such cartridge

7. D299726 - Video game control unit

8. 4763300 - Front loading apparatus for a memory cartridge utilized for a data

9. D294020 - Cartridge for game machine

10. D292399 - Cartridge for game machine

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as of
1/10/2026
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