Growing community of inventors

Shiga, Japan

Yukio Iizuka

Average Co-Inventor Count = 1.49

ph-index = 6

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 = 97

Yukio IizukaSuguru Shibata (2 patents)Yukio IizukaDaisuke Ogawa (1 patent)Yukio IizukaKatsuhiko Ueda (1 patent)Yukio IizukaMakoto Usami (1 patent)Yukio IizukaKibo Miyajima (1 patent)Yukio IizukaHiroshi Matsuzaki (1 patent)Yukio IizukaTetsuo Ajimine (1 patent)Yukio IizukaKenji Itoh (1 patent)Yukio IizukaYukio Iizuka (9 patents)Suguru ShibataSuguru Shibata (7 patents)Daisuke OgawaDaisuke Ogawa (11 patents)Katsuhiko UedaKatsuhiko Ueda (3 patents)Makoto UsamiMakoto Usami (3 patents)Kibo MiyajimaKibo Miyajima (1 patent)Hiroshi MatsuzakiHiroshi Matsuzaki (1 patent)Tetsuo AjimineTetsuo Ajimine (1 patent)Kenji ItohKenji Itoh (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Daifuku Co., Ltd. (8 from 708 patents)

2. Daifuki Co., Ltd. (1 from 4 patents)


9 patents:

1. 9558977 - Transport device with rotating receiving part

2. 8926251 - Container storage facility

3. 8826825 - Article transport facility

4. 7210589 - Transport apparatus

5. 6851913 - Transport system

6. 5525106 - Load storing equipment with cleaning device

7. 5500028 - Removable filter device for article storing arrangement

8. 5466109 - Load storing equipment

9. 5454328 - Cleanroom transport system

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as of
12/18/2025
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