Growing community of inventors

Chiba, Japan

Isao Okuyama

Average Co-Inventor Count = 3.83

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

Isao OkuyamaTakeshi Igarashi (7 patents)Isao OkuyamaAki Yoguchi (4 patents)Isao OkuyamaMasaho Morita (2 patents)Isao OkuyamaTakamasa Araki (2 patents)Isao OkuyamaKatsuhisa Tadano (2 patents)Isao OkuyamaMasaaki Tonogai (2 patents)Isao OkuyamaNozomu Uchida (2 patents)Isao OkuyamaKiyotaka Ishikawa (2 patents)Isao OkuyamaTaichi Nokuo (1 patent)Isao OkuyamaKazuyoshi Enomoto (1 patent)Isao OkuyamaTakashi Furukawa (1 patent)Isao OkuyamaTakuro Sawada (1 patent)Isao OkuyamaShin Kimura (1 patent)Isao OkuyamaTsubasa Umeki (1 patent)Isao OkuyamaTomoyasu Takaoka (1 patent)Isao OkuyamaShigeki Fujibayashi (1 patent)Isao OkuyamaHideyuki Takagi (1 patent)Isao OkuyamaKawamura Yoshiaki (1 patent)Isao OkuyamaIsao Okuyama (10 patents)Takeshi IgarashiTakeshi Igarashi (59 patents)Aki YoguchiAki Yoguchi (10 patents)Masaho MoritaMasaho Morita (33 patents)Takamasa ArakiTakamasa Araki (30 patents)Katsuhisa TadanoKatsuhisa Tadano (15 patents)Masaaki TonogaiMasaaki Tonogai (6 patents)Nozomu UchidaNozomu Uchida (5 patents)Kiyotaka IshikawaKiyotaka Ishikawa (4 patents)Taichi NokuoTaichi Nokuo (50 patents)Kazuyoshi EnomotoKazuyoshi Enomoto (19 patents)Takashi FurukawaTakashi Furukawa (15 patents)Takuro SawadaTakuro Sawada (6 patents)Shin KimuraShin Kimura (6 patents)Tsubasa UmekiTsubasa Umeki (5 patents)Tomoyasu TakaokaTomoyasu Takaoka (5 patents)Shigeki FujibayashiShigeki Fujibayashi (3 patents)Hideyuki TakagiHideyuki Takagi (2 patents)Kawamura YoshiakiKawamura Yoshiaki (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sony Interactive Entertainment Inc. (5 from 3,063 patents)

2. Sony Computer Entertainment Inc. (4 from 1,799 patents)

3. Sony Corporation (3 from 58,131 patents)


10 patents:

1. 12242099 - Input device

2. 12138531 - Inputting device

3. 11813518 - Information processing system, controller apparatus, information processing apparatus, and program

4. 11199902 - Input device

5. 10471344 - Manipulating device

6. 8745646 - Disk loading device and disk device

7. 8572636 - Disk loading device and disk device

8. 8302114 - Disk apparatus with carrying unit having arms

9. 7979871 - Disk apparatus and driving control section

10. 6922840 - Recording medium driving apparatus including at least a turntable, a spindle motor, and a linear driving device

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as of
1/4/2026
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