Growing community of inventors

Tokyo, Japan

Sakiko Kojima

Average Co-Inventor Count = 1.08

ph-index = 3

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 = 65

Sakiko KojimaHiroshi Ito (1 patent)Sakiko KojimaYukinori Inamura (1 patent)Sakiko KojimaAkira Osawa (1 patent)Sakiko KojimaHideaki Iwamoto (1 patent)Sakiko KojimaKaoru Kuroiwa (1 patent)Sakiko KojimaKeiki Inoue (1 patent)Sakiko KojimaSakiko Kojima (11 patents)Hiroshi ItoHiroshi Ito (117 patents)Yukinori InamuraYukinori Inamura (45 patents)Akira OsawaAkira Osawa (24 patents)Hideaki IwamotoHideaki Iwamoto (5 patents)Kaoru KuroiwaKaoru Kuroiwa (1 patent)Keiki InoueKeiki Inoue (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Universal Entertainment Corporation (10 from 692 patents)

2. Aruze Corporation (1 from 149 patents)


11 patents:

1. 8480479 - Gaming machine capable with free game play

2. 8308555 - Gaming machine

3. 8235799 - Gaming machine and method including re-triggering a feature game to a next feature game

4. 8002627 - Slot machine

5. 7997975 - Slot machine

6. 7922580 - Gaming machine

7. 7837551 - Gaming machine capable with free game play

8. 7824261 - Gaming machine with second symbols substitutable for first symbols during a feature game

9. 7758415 - Slot machine

10. 7740540 - Gaming machine

11. 7140963 - Gaming machine with reels and display device displaying characters thereon, reels being seen through display device

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as of
12/24/2025
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