Growing community of inventors

Mitaka, Japan

Yousuke Tatsumi

Average Co-Inventor Count = 3.00

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 = 24

Yousuke TatsumiTomohiro Ishitsu (3 patents)Yousuke TatsumiKouji Terasawa (3 patents)Yousuke TatsumiNaoki Kiyohara (1 patent)Yousuke TatsumiKazutaka Miyamoto (1 patent)Yousuke TatsumiYousuke Tatsumi (4 patents)Tomohiro IshitsuTomohiro Ishitsu (3 patents)Kouji TerasawaKouji Terasawa (3 patents)Naoki KiyoharaNaoki Kiyohara (13 patents)Kazutaka MiyamotoKazutaka Miyamoto (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Copyer Co., Ltd. (3 from 41 patents)

2. Canon Finetech Inc. (1 from 203 patents)


4 patents:

1. 6807888 - Recording material cutting device

2. 6471344 - Ink supply device and ink filling method

3. 6460983 - Ink supply device and ink filling method

4. 6409322 - Ink supply apparatus and ink filling method

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as of
12/12/2025
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