Growing community of inventors

Tokyo, Japan

Takaharu Kitada

Average Co-Inventor Count = 1.24

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 = 78

Takaharu KitadaAkira Shirakura (1 patent)Takaharu KitadaHiroshi Ogawa (1 patent)Takaharu KitadaKoji Ashizaki (1 patent)Takaharu KitadaHeitaro Nakajima (1 patent)Takaharu KitadaTakaharu Kitada (7 patents)Akira ShirakuraAkira Shirakura (68 patents)Hiroshi OgawaHiroshi Ogawa (61 patents)Koji AshizakiKoji Ashizaki (43 patents)Heitaro NakajimaHeitaro Nakajima (5 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sony Corporation (7 from 58,130 patents)


7 patents:

1. RE45767 - Information processing system, hand held cellular phone, and information processing method

2. RE43680 - Information processing system, hand held cellular phone, and information processing method

3. 7458514 - Information processing system, hand held cellular phone, and information processing method

4. 7337957 - Authentication system authentication method authentication medium manufacturing device and authentication terminal device

5. 7299988 - Information processing system, hand held cellular phone, and information processing method

6. 5832088 - Method and apparatus for preventing data copying from a disk using data

7. 4015090 - Recording and/or reproducing apparatus

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as of
12/18/2025
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