Growing community of inventors

Ota, Japan

Yukio Tobi

Average Co-Inventor Count = 3.21

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 = 18

Yukio TobiHaruo Mamiya (3 patents)Yukio TobiTakayoshi Akagi (3 patents)Yukio TobiHiroki Sato (1 patent)Yukio TobiYuka Yoshida (1 patent)Yukio TobiHiroyuki Kitakawa (1 patent)Yukio TobiNoriyuki Mori (1 patent)Yukio TobiTetsushi Eguchi (1 patent)Yukio TobiTakashi Matsuzuki (1 patent)Yukio TobiKouichi Matumoto (1 patent)Yukio TobiKouichi Saruhashi (1 patent)Yukio TobiYukio Tobi (6 patents)Haruo MamiyaHaruo Mamiya (4 patents)Takayoshi AkagiTakayoshi Akagi (3 patents)Hiroki SatoHiroki Sato (91 patents)Yuka YoshidaYuka Yoshida (17 patents)Hiroyuki KitakawaHiroyuki Kitakawa (2 patents)Noriyuki MoriNoriyuki Mori (2 patents)Tetsushi EguchiTetsushi Eguchi (1 patent)Takashi MatsuzukiTakashi Matsuzuki (1 patent)Kouichi MatumotoKouichi Matumoto (1 patent)Kouichi SaruhashiKouichi Saruhashi (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Qingdao Haier Washing Machine Co., Ltd. (4 from 165 patents)

2. Haier Group Corporation (3 from 68 patents)

3. Sanyo Electric Co., Ltd. (2 from 8,781 patents)

4. Haier Asia International Co., Ltd. (1 from 4 patents)

5. Haier Group Corporation & Qingdao Haier Washing Machine Co., Ltd. (0 patent)


6 patents:

1. 9994991 - Washing machine

2. 9238884 - Washing machine

3. 8844324 - Washing machine

4. 8739576 - Washing/drying machine and deodorization apparatus

5. 5675976 - Controller of air-conditioner

6. 5603225 - Multi-type air conditioner address setting method and address setting

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as of
12/24/2025
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