Growing community of inventors

Tokyo, Japan

Yoshikazu Sakamoto

Average Co-Inventor Count = 1.33

ph-index = 8

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 = 979

Yoshikazu SakamotoHiroshi Yoshida (3 patents)Yoshikazu SakamotoHiroshi Yoshida (1 patent)Yoshikazu SakamotoYoshikazu Sakamoto (8 patents)Hiroshi YoshidaHiroshi Yoshida (152 patents)Hiroshi YoshidaHiroshi Yoshida (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Aruze Corporation (7 from 149 patents)

2. Universal Sales Co., Ltd. (1 from 20 patents)


8 patents:

1. 7066813 - Gaming machine with progressive story

2. 6471588 - Game machine and method that adjusts stop instructions of reels with random numbers

3. 6315663 - Game machine and method with shifting reels in two directions

4. 6315289 - Game machine informing small hit prize

5. 6306034 - Game machine informing prize mode information in a series of flow of game

6. 6270408 - Game machine informing prize mode information based on variable display stop request

7. 6126165 - Game machine with a hit expectation sound emitting function

8. 5989121 - Game machine in capable of controlling game aspect

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as of
1/10/2026
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