Growing community of inventors

Tokyo, Japan

Makoto Sugawara

Average Co-Inventor Count = 2.67

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 = 53

Makoto SugawaraHideki Inoue (2 patents)Makoto SugawaraTatsuya Watanabe (2 patents)Makoto SugawaraYuji Sugimori (2 patents)Makoto SugawaraKenichi Imaeda (2 patents)Makoto SugawaraMakoto Sugawara (4 patents)Hideki InoueHideki Inoue (52 patents)Tatsuya WatanabeTatsuya Watanabe (19 patents)Yuji SugimoriYuji Sugimori (14 patents)Kenichi ImaedaKenichi Imaeda (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sega Enterprises, Ltd. (2 from 264 patents)

2. Sega Corporation (2 from 134 patents)


4 patents:

1. 7828641 - Program for controlling execution of a game, and a game machine for executing the program

2. 7223169 - Program for controlling execution of a game, and a game machine for executing the program

3. 6582300 - Ski simulator

4. 6270403 - Ski simulator

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as of
12/8/2025
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