Growing community of inventors

Kani, Japan

Ryoji Tamaoki

Average Co-Inventor Count = 1.50

ph-index = 1

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

Ryoji TamaokiOsamu Azami (1 patent)Ryoji TamaokiShigeyuki Takahashi (1 patent)Ryoji TamaokiNobuaki Takenaka (1 patent)Ryoji TamaokiYasushi Otaki (1 patent)Ryoji TamaokiRyoji Tamaoki (4 patents)Osamu AzamiOsamu Azami (11 patents)Shigeyuki TakahashiShigeyuki Takahashi (4 patents)Nobuaki TakenakaNobuaki Takenaka (3 patents)Yasushi OtakiYasushi Otaki (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Seiko Epson Corporation (4 from 33,464 patents)


4 patents:

1. 8396409 - Printing apparatus

2. 8328319 - Print control apparatus, print control method, and storage medium

3. 7447459 - Image formation device which operates in a plurality of startup modes

4. 7204651 - Printer

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as of
12/31/2025
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