TK

Takuji Kawai

Ricoh Company: 10 patents #2,244 of 9,818Top 25%
HI Hitachi: 4 patents #8,942 of 28,497Top 35%
AR Arkray: 3 patents #98 of 354Top 30%
SE Seiko Epson: 1 patents #5,551 of 7,774Top 75%
Overall (All Time): #254,193 of 4,157,543Top 7%
18
Patents All Time

Issued Patents All Time

Showing 1–18 of 18 patents

Patent #TitleCo-InventorsDate
10530947 Image reading device and image forming apparatus Yoshiaki Nagao, Yohei Osanai 2020-01-07
10412246 Image reading unit Yasunobu Youda, Yohei Osanai, Tatsuaki Nagano, Satoshi Narai, Toshiyuki HORIKAWA +9 more 2019-09-10
10200564 Image reading device, method and non-transitory computer-readable medium for detecting moving image reader positions to correct skew Yuki FUJII, Yasunobu Youda, Yohei Osanai, Tatsuaki Nagano, Satoshi Narai +9 more 2019-02-05
10108128 Automatic document feeder, image reading device incorporating the automatic document feeder, and image forming apparatus incorporating the image reading device with the automatic document feeder Tatsuaki Nagano, Yasunobu Youda, Satoshi Narai, Yohei Osanai, Toshiyuki HORIKAWA +1 more 2018-10-23
10044898 Image reading device and image forming apparatus incorporating the image reading device Yohei Osanai, Yasunobu Youda, Masatoshi Ishida, Tatsuaki Nagano, Daisuke Imaki +2 more 2018-08-07
10027831 Image reading unit Yasunobu Youda, Yohei Osanai, Tatsuaki Nagano, Satoshi Narai, Toshiyuki HORIKAWA +9 more 2018-07-17
9988223 Automatic document feeding device Munekazu HIRATA, Takayuki Andoh, Koji Hatayama, Kaoru Tada, Tatsuaki Nagano +4 more 2018-06-05
9819838 Automatic document feeding device and image forming apparatus incorporating same Koji Hatayama, Takayuki Andoh, Tatsuaki Nagano, Kaoru Tada, Munekazu HIRATA +4 more 2017-11-14
9800748 Automatic document feeder, image reading device incorporating the automatic document feeder, and image forming apparatus incorporating the image reading device Toshiyuki HORIKAWA, Yasunobu Youda, Yohei Osanai, Tatsuaki Nagano, Satoshi Narai +10 more 2017-10-24
9571690 Image scanner and image forming apparatus incorporating the image scanner Yohei Osanai, Yasunobu Youda, Tatsuaki Nagano, Takayuki Andoh, Kaoru Tada +4 more 2017-02-14
9088526 Communication system and communication control device Kazuma Yumoto 2015-07-21
8848522 Telecommunications system and server apparatus Kazuma Yumoto 2014-09-30
8565087 Apparatus having packet allocation function and packet allocation method Kumi Koitabashi 2013-10-22
8540377 Projector light source device having projections regulating cooling airflow 2013-09-24
8526437 Communication system and communication control device Kazuma Yumoto 2013-09-03
8357273 Analyzer 2013-01-22
7763468 Specimen analysis method and specimen analysis device 2010-07-27
7719303 Liquid crystal display device and analysis device including the same Yasunori Shiraki, Yoshimi Oura 2010-05-18