Growing community of inventors

Nagano, Japan

Eiki Maruyama

Average Co-Inventor Count = 1.41

ph-index = 5

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 = 90

Eiki Maruyama ↔ Tetsuo Imai (1 patent)Eiki Maruyama ↔ Makoto Nasu (1 patent)Eiki Maruyama ↔ Yoshisada Misawa (1 patent)Eiki Maruyama ↔ Hiroshi Ogawa (1 patent)Eiki Maruyama ↔ Soichi Takeda (1 patent)Eiki MaruyamaEiki Maruyama (6 patents)Tetsuo ImaiTetsuo Imai (2 patents)Makoto NasuMakoto Nasu (2 patents)Yoshisada MisawaYoshisada Misawa (2 patents)Hiroshi OgawaHiroshi Ogawa (1 patent)Soichi TakedaSoichi Takeda (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Maruyama Industrial Co., Ltd. (4 from 6 patents)

2. Mk Seiko Co., Ltd. (2 from 11 patents)


6 patents:

1. 5531153 - Bread baking apparatus

2. D351759 - Bread baking appliance

3. D283835 - Combined bidet toilet seat and cover

4. D280991 - Dry battery driven liquid pump

5. D280902 - Dry battery driven liquid pump

6. D280823 - Dry battery driven liquid pump

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idiyas.com
as of
12/20/2025
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