Growing community of inventors

Kawasaki, Japan

Sotohiro Tsujihara

Average Co-Inventor Count = 1.64

ph-index = 4

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 = 56

Sotohiro TsujiharaTomoaki Sugawara (2 patents)Sotohiro TsujiharaMasaru Shinkai (2 patents)Sotohiro TsujiharaMasatoshi Saitou (2 patents)Sotohiro TsujiharaTarou Terashi (2 patents)Sotohiro TsujiharaMasaaki Yamada (1 patent)Sotohiro TsujiharaKakuji Murakami (1 patent)Sotohiro TsujiharaTakeshi Iijima (1 patent)Sotohiro TsujiharaSotohiro Tsujihara (6 patents)Tomoaki SugawaraTomoaki Sugawara (44 patents)Masaru ShinkaiMasaru Shinkai (39 patents)Masatoshi SaitouMasatoshi Saitou (7 patents)Tarou TerashiTarou Terashi (2 patents)Masaaki YamadaMasaaki Yamada (65 patents)Kakuji MurakamiKakuji Murakami (45 patents)Takeshi IijimaTakeshi Iijima (8 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ricoh Company, Ltd. (6 from 28,566 patents)


6 patents:

1. 7603055 - Cover for image forming apparatus to facilitate parts recycling

2. 6393246 - Fixing device and method having a shield member for cutting off air flowing through gap and image forming apparatus using the same fixing device

3. 6080255 - Method of and an apparatus for removing image forming substance from an

4. 5968301 - Method of recycling image supporting material and apparatus thereof

5. 5897726 - Method of and an apparatus for removing image forming substance from an

6. 4692020 - Sheet reversing in copying machine and other sheet-handling machines

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
12/29/2025
Loading…