Growing community of inventors

Yokohama, Japan

Fumihiro Kato

Average Co-Inventor Count = 8.54

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 = 300

Fumihiro KatoToshikazu Yoshida (7 patents)Fumihiro KatoTakao Yamauchi (7 patents)Fumihiro KatoHidenori Shiba (7 patents)Fumihiro KatoToshiyuki Kaji (7 patents)Fumihiro KatoYoshitaka Maeyama (4 patents)Fumihiro KatoJunichi Tsuchiya (4 patents)Fumihiro KatoJinichiro Okuda (4 patents)Fumihiro KatoMitsuhiko Kakita (4 patents)Fumihiro KatoAkira Nishino (3 patents)Fumihiro KatoToru Ohara (3 patents)Fumihiro KatoTakaharu Terada (3 patents)Fumihiro KatoFumihiro Kato (7 patents)Toshikazu YoshidaToshikazu Yoshida (25 patents)Takao YamauchiTakao Yamauchi (20 patents)Hidenori ShibaHidenori Shiba (15 patents)Toshiyuki KajiToshiyuki Kaji (14 patents)Yoshitaka MaeyamaYoshitaka Maeyama (8 patents)Junichi TsuchiyaJunichi Tsuchiya (6 patents)Jinichiro OkudaJinichiro Okuda (5 patents)Mitsuhiko KakitaMitsuhiko Kakita (4 patents)Akira NishinoAkira Nishino (17 patents)Toru OharaToru Ohara (8 patents)Takaharu TeradaTakaharu Terada (7 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sega Corporation (7 from 134 patents)


7 patents:

1. 8382579 - Card for use with a game apparatus

2. 8191896 - Card game device, card data reader, card game control method, recording medium, program, and card

3. 8172229 - Card game device, card data reader, card game control method, recording medium, program, and card

4. 8020869 - Card game device, card data reader, card game control method, recording medium, program, and card

5. 7556197 - Card stack reader, card thereof, card case, method for manufacturing card, game machine using the same, computer-readable storage medium on which game program is recorded

6. 7431297 - Card game device, card data reader, card game control method, recording medium, program, and card

7. 7357321 - Card stack reader, card thereof, card case, method for manufacturing card, game machine using the same, computer-readable storage medium on which game program is recorded

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as of
12/9/2025
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