RY

Ryuichi Yokoyama

Canon: 6 patents #8,497 of 19,416Top 45%
KU Kureha: 1 patents #186 of 354Top 55%
YK Yamato Mishin Seizo Kabushiki Kaisha: 1 patents #17 of 31Top 55%
Overall (All Time): #638,845 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
9890222 Polyarylene sulfide production device provided with baffle and baffle support KOHTA KOICHI, Michihisa Miyahara, Masanori Kobayashi, Koichi Suzuki 2018-02-13
7819653 Light transmissive stamper 2010-10-26
7497177 Seam ravel preventing apparatus and ravel preventing method Yoshiyuki Tanaka, Osamu Yasuzawa 2009-03-03
6309783 Color filter and method of manufacturing the same Shoji Shiba, Hideaki Takao, Masashi Sobue, Takeshi Okada 2001-10-30
6177214 Color filter manufacturing method, color filter, display apparatus, and apparatus having the display apparatus Katsuhiko Takano, Hideaki Takao, Masashi Sobue, Shoji Shiba, Takeshi Okada 2001-01-23
6143450 Color filter substrate manufacturing method, color filter substrate manufactured by this manufacturing method, and liquid crystal element using this color filter substrate Masashi Sobue, Hideaki Takao, Shoji Shiba, Takeshi Okada 2000-11-07
6127072 Production of color filter by forming light-screening layer and irradiating resin layer to achieve ink-accepting property Shoji Shiba, Hideaki Takao, Akio Kashiwazaki, Masashi Sobue, Takeshi Okada 2000-10-03
5714222 Optical recording medium and process for producing same 1998-02-03