Growing community of inventors

Matsumoto, Japan

Toshifumi Yamaji

Average Co-Inventor Count = 2.18

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

Toshifumi YamajiSusumu Shiohara (8 patents)Toshifumi YamajiToshihiro Tsukada (2 patents)Toshifumi YamajiToshifumi Yamaji (8 patents)Susumu ShioharaSusumu Shiohara (29 patents)Toshihiro TsukadaToshihiro Tsukada (17 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Seiko Epson Corporation (8 from 33,436 patents)


8 patents:

1. 9830540 - Printing device and control method of printing device

2. 9696951 - Recording control system, control method of a recording control system, and recording device

3. 9672456 - Image processing device, printing device, and image processing method

4. 9471859 - Image processing device, printing device, and image processing method

5. 9459817 - Recording control system, control method of a recording control system, and recording device

6. 9424500 - Printing device and control method for printing device

7. 9092721 - Recording device and control method of the recording device

8. 9013752 - Image processing device, printing device, and image processing method

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as of
12/17/2025
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