KY

Katsuhiko Yamagata

ND Ntt Docomo: 12 patents #243 of 1,706Top 15%
NN Ntt Mobile Communications Network: 7 patents #30 of 253Top 15%
📍 Manaus, BR: #13 of 113 inventorsTop 15%
Overall (All Time): #240,632 of 4,157,543Top 6%
19
Patents All Time

Issued Patents All Time

Showing 1–19 of 19 patents

Patent #TitleCo-InventorsDate
8542651 Communication control device and communication control method Masafumi Masuda, Toyohiro Abe, Takaaki Sato 2013-09-24
8542835 Method and system for mobile communications Motoshi Tamura, Mutsumaru Miki, Akiko Okamoto, Kenya Kusunose, Akihiro Uchikoshi +10 more 2013-09-24
8509784 Mobile communication method, radio control station, and radio base station Masafumi Masuda, Yasuhiro Kawabe, Takaaki Sato, Ryoji Yamamoto 2013-08-13
8331935 Method and system for mobile communications Motoshi Tamura, Mutsumaru Miki, Akiko Okamoto, Kenya Kusunose, Akihiro Uchikoshi +10 more 2012-12-11
8306535 Communication controller and communication controlling method for controlling a movable communication terminal device Masafumi Masuda, Yasuhiro Kawabe, Takaaki Sato 2012-11-06
8275133 Method and system for mobile communications Motoshi Tamura, Mutsumaru Miki, Akiko Okamoto, Kenya Kusunose, Akihiro Uchikoshi +10 more 2012-09-25
8259675 Method and system for mobile communications Motoshi Tamura, Mutsumaru Miki, Akiko Okamoto, Kenya Kusunose, Akihiro Uchikoshi +10 more 2012-09-04
8185158 Method and system for mobile communications Motoshi Tamura, Mutsumaru Miki, Akiko Okamoto, Kenya Kusunose, Akihiro Uchikoshi +10 more 2012-05-22
7953414 Method and system for mobile communications Motoshi Tamura, Mutsumaru Miki, Akiko Okamoto, Kenya Kusunose, Akihiro Uchikoshi +10 more 2011-05-31
7907730 Method and system for mobile communications Motoshi Tamura, Mutsumaru Miki, Akiko Okamoto, Kenya Kusunose, Akihiro Uchikoshi +10 more 2011-03-15
7792531 Method and system for mobile communications Motoshi Tamura, Mutsumaru Miki, Akiko Okamoto, Kenya Kusunose, Akihiro Uchikoshi +10 more 2010-09-07
7664507 Method and system for mobile communications Motoshi Tamura, Mutsumaru Miki, Akiko Okamoto, Kenya Kusunose, Akihiro Uchikoshi +10 more 2010-02-16
7630716 Method and system for mobile communications Motoshi Tamura, Mutsumaru Miki, Akiko Okamoto, Kenya Kusunose, Akihiro Uchikoshi +10 more 2009-12-08
7577435 Method and system for mobile communications Motoshi Tamura, Mutsumaru Miki, Akiko Okamoto, Kenya Kusunose, Akihiro Uchikoshi +10 more 2009-08-18
7383045 Method and system for mobile communications Motoshi Tamura, Mutsumaru Miki, Akiko Okamoto, Kenya Kusunose, Akihiro Uchikoshi +10 more 2008-06-03
7236787 Method and system for mobile communications Motoshi Tamura, Mutsumaru Miki, Akiko Okamoto, Kenya Kusunose, Akihiro Uchikoshi +10 more 2007-06-26
6314300 Mobile communication system for supporting multiple simultaneous communications on single mobile terminal Akiko Nakashima, Mutsumaru Miki, Akira Kaiyama 2001-11-06
6216003 Method of handover control in mobile radio communication realizing reduced control load Takuya Hamajima, Takaaki Sato, Takehiro Nakamura 2001-04-10
6122265 Scheme for wire line data transmission in mobile communication system Takehiro Nakamura 2000-09-19