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Ryota Yamashina
Ryota Yamashina
株式会社リコー デジタル戦略部
Verified email at jp.ricoh.com
Title
Cited by
Cited by
Year
Fixing device and image forming apparatus incorporating same
K Hasegawa, A Shinshi, H Yoshinaga, Y Ishigaya, R Yamashina
US Patent 8,160,484, 2012
1592012
Fixing device and image forming apparatus with heating member heated uniformly in circumferential direction
A Shinshi, K Hasegawa, H Yoshinaga, Y Ishigaya, R Yamashina
US Patent 8,064,798, 2011
1552011
Fixing device and image forming apparatus employing the fixing device
R Yamashina, A Shinshi, K Hasegawa, H Yoshinaga, Y Ishigaya
US Patent 8,606,135, 2013
1162013
Fixing device and image forming apparatus including same
Y Ishigaya, A Shinshi, K Hasegawa, H Yoshinaga, R Yamashina
US Patent 8,559,860, 2013
962013
Fixing device having a plurality of heat sources and a plurality of temperature detectors and image forming apparatus including same
H Yoshinaga, A Shinshi, K Hasegawa, R Yamashina, Y Ishigaya
US Patent 8,744,330, 2014
922014
Fixing control device, fixing device, and image forming apparatus
Y Ishigaya, R Yamashina
US Patent 8,275,278, 2012
432012
Fixing device for an image forming apparatus
R Yamashina, T Yamamoto
US Patent 8,150,289, 2012
422012
Fixing device and image forming apparatus incorporating same
K Saito, T Uchitani, H Takamasa, S Yuasa, I Fujimoto, S Namekata, ...
US Patent 8,774,666, 2014
342014
Fixing device and image forming apparatus including same
I Fujimoto, K Kishi, M Samei, H Ono, H Seo, Y Ishigaya, R Yamashina, ...
US Patent 9,122,212, 2015
322015
Failure predictor, fixing device, image forming apparatus, and failure prediction system
Y Ishigaya, Y Mikutsu, R Yamashina
US Patent 8,699,896, 2014
292014
Fixing device and image forming apparatus incorporating same
T Seshita, M Satoh, M Yoshikawa, H Yoshinaga, K Ishii, T Ogawa, ...
US Patent 9,235,177, 2016
272016
Fixing device, image forming apparatus, and fixing condition control method
R Yamashina
US Patent 8,831,448, 2014
272014
Fixing device, fixing device control method, and image forming apparatus
Y Ishigaya, R Yamashina, M Samei, T Waida
US Patent 8,886,071, 2014
242014
Fixing device and image forming device
H Takamasa, K Ishii, T Ogawa, T Kawata, A Yoshiura, T Shimokawa, ...
US Patent 9,031,439, 2015
232015
Fixing device having heat shielding device and image forming apparatus incorporating same
M Samei, H Seo, R Yamashina
US Patent 9,046,832, 2015
222015
Fixing device and image forming apparatus including same
M Samei, T Waida, H Ono, T Yamamoto, I Fujimoto, H Seo, Y Ishigaya, ...
US Patent 9,069,302, 2015
212015
Fixing device for locally heating a fixing member and image forming apparatus incorporating the fixing device
R Yamashina
US Patent 8,886,070, 2014
212014
Temperature control method of thermal fixing device, thermal fixing device, and image forming apparatus
M Samei, Y Ishigaya, R Yamashina, T Waida
US Patent 8,818,225, 2014
182014
Fixing device and image forming apparatus
T Uchitani, M Satoh, M Yoshikawa, K Ishii, T Ogawa, T Imada, H Takagi, ...
US Patent 9,042,761, 2015
152015
Fixing device, fixing device control method, and image forming apparatus
R Yamashina
US Patent 8,577,230, 2013
152013
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