Growing community of inventors

Ehime, Japan

Eiji Doi

Average Co-Inventor Count = 2.67

ph-index = 2

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 = 8

Eiji DoiEiichi Mori (3 patents)Eiji DoiNobuyuki Tsukui (3 patents)Eiji DoiAkihiro Mochizuki (2 patents)Eiji DoiTakumi Nishimura (1 patent)Eiji DoiMitsuyuki Shirata (1 patent)Eiji DoiTakanari Kabumoto (1 patent)Eiji DoiEiji Doi (6 patents)Eiichi MoriEiichi Mori (7 patents)Nobuyuki TsukuiNobuyuki Tsukui (3 patents)Akihiro MochizukiAkihiro Mochizuki (28 patents)Takumi NishimuraTakumi Nishimura (5 patents)Mitsuyuki ShirataMitsuyuki Shirata (4 patents)Takanari KabumotoTakanari Kabumoto (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Phc Holdings Corporation (3 from 187 patents)

2. Phc Corporation (3 from 32 patents)


6 patents:

1. 12326293 - Drainage cap and cold storage

2. 12085327 - Cold storage

3. 12044460 - Cold storage

4. 12018755 - Seal structure of cold storage and cold storage

5. D931913 - Control panel for a medical refrigerator

6. D931912 - Medical refrigerator

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as of
1/1/2026
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