MN

Masahiro Nakajima

SI Seiko Instruments: 24 patents #52 of 1,437Top 4%
Mitsubishi Electric: 8 patents #3,714 of 25,717Top 15%
Pioneer Electronic: 8 patents #194 of 1,840Top 15%
PV Pioneer Video: 6 patents #5 of 139Top 4%
PE Pentax: 6 patents #247 of 761Top 35%
NE Nec: 5 patents #2,830 of 14,502Top 20%
Ricoh Company: 5 patents #3,664 of 9,818Top 40%
TK Topy Kogyo Kabushiki Kaisha: 4 patents #11 of 189Top 6%
Honda Motor Co.: 3 patents #6,619 of 21,052Top 35%
JC Japan Vilene Company: 3 patents #18 of 154Top 15%
AK Asahi Kogaku Kogyo K.K.: 3 patents #38 of 180Top 25%
Fujitsu Limited: 3 patents #8,614 of 24,456Top 40%
SC Seikoh Giken Co.: 2 patents #26 of 69Top 40%
IH Ihi: 2 patents #401 of 1,178Top 35%
Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%
NT NTT: 1 patents #2,911 of 4,871Top 60%
CH Chisso: 1 patents #468 of 833Top 60%
DC Dainippon Screen Mfg. Co.: 1 patents #531 of 977Top 55%
KT Kabushiki Kaisha Toshiba: 1 patents #13,537 of 21,451Top 65%
NC Nippon Electric Co.: 1 patents #251 of 792Top 35%
AC Asahi Glass Co.: 1 patents #1,233 of 2,251Top 55%
Pioneer: 1 patents #1,107 of 1,730Top 65%
SC Sumitomo Mitsui Construction Co.: 1 patents #7 of 16Top 45%
Tdk: 1 patents #2,493 of 3,796Top 70%
TO Toshiba: 1 patents #1,121 of 2,688Top 45%
TI Topy Industries: 1 patents #7 of 33Top 25%
Overall (All Time): #17,516 of 4,157,543Top 1%
91
Patents All Time

Issued Patents All Time

Showing 26–50 of 91 patents

Patent #TitleCo-InventorsDate
9052693 Constant force device, movement and mechanical timepiece Takuma Kawauchiya, Takashi Niwa, Masayuki Koda 2015-06-09
8702301 Timepiece bearing, movement, and portable timepiece Masashi HIRAOKA, Takashi Niwa 2014-04-22
8572965 High-temperature radiator storage yard generating apparatus Hiroyuki Otsuka, Hisakazu Onizuka, Shinsuke Matsuno, Takahisa Nagao, Yoshiyuki Yamane +2 more 2013-11-05
8201527 Auxiliary-device arrangement for cylinder-deactivation multi-cylinder internal combustion engine and cylinder-deactivation multi-cylinder internal combustion engine Naoki Yokoyama 2012-06-19
7709981 Stator, motor and record medium drive apparatus and method of fabricating stator Akiko Ishikura, Naoki Kawawada, Norio Chiba 2010-05-04
7664498 Apparatus, method, and program for read out information registration, and portable terminal device Toshikazu Houmura, Kazuhiro Yoshihara, Tohru Ida, Katsuaki Akama 2010-02-16
7146911 Image recorder Arifumi Omoto, Keisuke Hirayama, Takayuki Mitsushima 2006-12-12
7118283 Optical connector plug, optical connector adapter and optical connector Kouji Minami, Junji Taira 2006-10-10
7118284 Optical connector plug, optical connector adapter and optical connector Kouji Minami, Junji Taira 2006-10-10
7090409 Optical functioning component and optical connector having optical functioning component Kouji Minami, Junji Taira, Shin Sumida, Ryo Nagase, Syuichi Yanagi 2006-08-15
6908233 Optical connector plug, optical connector adapter and optical connector Kouji Minami, Junji Taira 2005-06-21
6736392 Image forming apparatus Shigeru Horiguchi, Tetsuya Goto, Yuji Suzuki 2004-05-18
6565261 Optical fiber connector Takeshi Uchiyama, Tomohiro Shimada, Shinichi Iwano, Shin Sumida 2003-05-20
6537664 Cleaning sheet for a fuser member, a cleaning sheet supplier, and a cleaning apparatus 2003-03-25
6533468 Universal optical fiber connectors and basic plugs thereof Hiroyuki Tokita, Junji Taira, Kouji Minami, Tatsuo Koshigoe, Nobuo Suzuki 2003-03-18
6486419 Multifunctional image forming apparatus having a covered main power switch Shigeru Horiguchi, Yuki Nanri, Kazuyuki Saitoh, Yuji Suzuki, Tetsuya Gotoh 2002-11-26
6464406 Universal adapter Mitsuo Yarita, Hiroyuki Tokita, Junji Taira 2002-10-15
6460945 Endless track and a manufacturing method thereof Hiroyuki Takeno, Kiyokazu Niwa, Makoto Takagi, Hirokatsu Niitsu, Isao Yoshida +1 more 2002-10-08
6431783 Optical fiber connecting structure and connecting member for connecting an optical fiber cable to a ferrule Hiroyuki Tokita, Junji Taira, Kouji Minami, Tatsuo Koshigoe, Nobuo Suzuki 2002-08-13
6431762 Optical connector adapter Junji Taira, Yuko Hata 2002-08-13
6419401 Optical connector ferrule Junji Taira, Kouji Minami, Hiroyuki Tokita, Tatsuo Koshigoe, Nobuo Suzuki 2002-07-16
6328298 Image forming apparatus and finisher therefor Yuji Suzuki, Shigeru Horiguchi 2001-12-11
6330037 Picture signal processing method for processing a picture signal containing information including main picture portion and non-picture portions Hiroshi Otaki 2001-12-11
6294031 Production method of a heat-treated steel member Hiroyuki Takeno, Kiyokazu Niwa, Go Morishima, Daigo Sugiyama 2001-09-25
6224270 Universal optical fiber connectors and basic plugs thereof Hiroyuki Tokita, Junji Taira, Kouji Minami, Tatsuo Koshigoe, Nobuo Suzuki 2001-05-01