Growing community of inventors

Shiga, Japan

Makoto Usami

Average Co-Inventor Count = 1.20

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

Makoto UsamiYukio Iizuka (1 patent)Makoto UsamiMakoto Usami (3 patents)Yukio IizukaYukio Iizuka (9 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Daifuku Co., Ltd. (3 from 708 patents)


3 patents:

1. 9558977 - Transport device with rotating receiving part

2. 9457479 - Transport device

3. 9457480 - Transport device

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as of
12/19/2025
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