Growing community of inventors

Tokyo, Japan

Tomoyuki Tsukuba

Average Co-Inventor Count = 2.12

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 = 4

Tomoyuki TsukubaMasato Terao (4 patents)Tomoyuki TsukubaYoh Masuyama (2 patents)Tomoyuki TsukubaMasafumi Yamagami (2 patents)Tomoyuki TsukubaShuuichi Kimura (1 patent)Tomoyuki TsukubaTomoyuki Tsukuba (6 patents)Masato TeraoMasato Terao (9 patents)Yoh MasuyamaYoh Masuyama (16 patents)Masafumi YamagamiMasafumi Yamagami (2 patents)Shuuichi KimuraShuuichi Kimura (5 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ricoh Company, Ltd. (6 from 28,577 patents)


6 patents:

1. 8879098 - Distributed printing system and image forming apparatus, method, and software program for switching between a collaborative processing mode and a centralized processing mode

2. 8098397 - Image forming apparatus and printing method having printing type changing part

3. 7889362 - Image forming apparatus for printing images properly arranged relative to index tab

4. 7738134 - Image forming apparatus and printing method for printing different types of originals

5. 7679775 - Z-fold method and image forming apparatus

6. 7492471 - Image forming apparatus for printing images properly arranged relative to index tab

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as of
12/30/2025
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