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For the Inventor, By the Inventor

Yamanashi, Japan

Ryoji Yashiro

This inventor holds 5 USPTO granted patents and 1 EPO patent. Top assignee: Canon Kabushiki Kaisha. Active years: 1991-2007.

USPTO Granted Patents = 5

% Patents Active = 100.0


Average Co-Inventor Count = 4.4

ph-index = 5

Forward Citations = 89(Granted Patents)


Location History:

  • Fuchu, JP (1992)
  • Yamanashi, JP (1991 - 1993)
  • Fukui, JP (2007)

Company Filing History:

goldMedal5 out of 92,901 
 
Canon Kabushiki Kaisha
 patents

Years Active: 1991-2007

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5 patents (USPTO):Explore Patents
1. 7241513 - Fluorene compound and organic luminescent device using the same (2007-07-10),
2. 5262261 - Photosensitive member for electrophotography (1993-11-16),
3. 5098809 - Electrophotographic photosensitive member containing a substituted (1992-03-24),
4. 5079118 - Photosensitive member for electrophotography with substituted pyrene (1992-01-07),
5. 5049464 - Photosensitive member for electrophotography (1991-09-17),
Profile summary based on public USPTO records.
Please report any incorrect information to [email protected]
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