Growing community of inventors

Higashimurayama, Japan

Katsuo Ogawa

Average Co-Inventor Count = 5.00

ph-index = 4

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 = 47

Katsuo OgawaKazutoshi Higuchi (6 patents)Katsuo OgawaYasuaki Takahara (6 patents)Katsuo OgawaTeiji Okamoto (6 patents)Katsuo OgawaFumitaka Itoh (6 patents)Katsuo OgawaKatsuo Ogawa (6 patents)Kazutoshi HiguchiKazutoshi Higuchi (19 patents)Yasuaki TakaharaYasuaki Takahara (17 patents)Teiji OkamotoTeiji Okamoto (16 patents)Fumitaka ItohFumitaka Itoh (8 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hitachi, Ltd. (4 from 42,517 patents)

2. Samsung Electronics Co., Ltd. (2 from 131,906 patents)


6 patents:

1. 8346221 - Message transmitter and response message transmitting method in cellular mobile telephone apparatus and recording medium recording program for executing the method

2. 8340643 - Response message transmitter and response message transmitting method in cellular mobile telephone apparatus and recording medium recording program for executing the method

3. 6823182 - Cellular mobile telephone apparatus

4. 6799034 - Response message transmitter and response message transmitting method in cellular mobile telephone apparatus and recording medium recording program for executing the method

5. 6539218 - Message transmitter and response message transmitting method in cellular mobile telephone apparatus and recording medium recording program for executing the method

6. 6275690 - Cellular mobile telephone apparatus

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1/7/2026
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