Growing community of inventors

Tokyo, Japan

Sadao Sone

Average Co-Inventor Count = 3.75

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 = 93

Sadao SoneRyuji Ishii (3 patents)Sadao SoneShuuiti Hiratuka (2 patents)Sadao SoneTakahiro Amada (2 patents)Sadao SoneTakashi Okada (1 patent)Sadao SoneHiroshi Konishi (1 patent)Sadao SoneHaruo Kimura (1 patent)Sadao SoneYoshihiro Nakamura (1 patent)Sadao SoneIkuo Suto (1 patent)Sadao SoneToshiharu Hashimoto (1 patent)Sadao SoneMasatoshi Kawaji (1 patent)Sadao SoneTadashi Hasegawa (1 patent)Sadao SoneShinji Sado (1 patent)Sadao SoneSadao Sone (5 patents)Ryuji IshiiRyuji Ishii (3 patents)Shuuiti HiratukaShuuiti Hiratuka (2 patents)Takahiro AmadaTakahiro Amada (2 patents)Takashi OkadaTakashi Okada (54 patents)Hiroshi KonishiHiroshi Konishi (14 patents)Haruo KimuraHaruo Kimura (7 patents)Yoshihiro NakamuraYoshihiro Nakamura (2 patents)Ikuo SutoIkuo Suto (2 patents)Toshiharu HashimotoToshiharu Hashimoto (2 patents)Masatoshi KawajiMasatoshi Kawaji (2 patents)Tadashi HasegawaTadashi Hasegawa (2 patents)Shinji SadoShinji Sado (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Oki Electric Industry Co., Ltd. (5 from 4,979 patents)

2. Oki Information Systems, Co., Ltd. (1 from 1 patent)


5 patents:

1. 6257475 - Apparatus for issuing a ticket

2. 6253996 - Medium handling apparatus

3. 6092798 - Ticket issuing apparatus

4. 5813774 - Ticket-printing device and ribbon assembly adapted for easy ribbon

5. 4992647 - Ticket processing terminal device which accepts previously issued

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12/21/2025
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