Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
YM

Yutaka Murakami

Panasonic: 431 patents #5 of 21,108Top 1%
STSun Patent Trust: 196 patents #12 of 106Top 15%
Sumitomo Electric Industries: 39 patents #287 of 21,551Top 2%
WOWi-Fi One: 25 patents #1 of 21Top 5%
Canon: 12 patents #5,447 of 19,416Top 30%
Toyota: 10 patents #2,889 of 26,838Top 15%
Pioneer Electronic: 6 patents #303 of 1,840Top 20%
Harris: 6 patents #258 of 2,288Top 15%
Nintendo Co.: 6 patents #313 of 1,476Top 25%
OTOptis Wireless Technology: 5 patents #29 of 120Top 25%
PVPioneer Video: 5 patents #11 of 139Top 8%
Apple: 4 patents #6,306 of 18,612Top 35%
Kabushiki Kaisha Toshiba: 4 patents #6,684 of 21,451Top 35%
ACAjinomoto Co.: 3 patents #592 of 2,190Top 30%
Rohm Co.: 2 patents #1,039 of 2,292Top 50%
IHInterdigital Patent Holdings: 2 patents #352 of 824Top 45%
NCNippondenso Co.: 2 patents #1,150 of 3,479Top 35%
RTRedwood Technologies: 1 patents #2 of 6Top 35%
MCMatsushit Electric Industrial Co.: 1 patents #13 of 293Top 5%
KKKanto Kagaku: 1 patents #73 of 181Top 45%
TWThe Japan Steel Works: 1 patents #307 of 643Top 50%
TJTianma Japan: 1 patents #42 of 72Top 60%
FCFurukawa Aluminum Co.: 1 patents #19 of 68Top 30%
Sony: 1 patents #17,262 of 25,231Top 70%
Overall (All Time): #125 of 4,157,543Top 1%
762 Patents All Time

Issued Patents All Time

Showing 701–725 of 762 patents

Patent #TitleCo-InventorsDate
7328389 Transmitting apparatus, receiving apparatus, transmission method, and reception method Katsuaki Abe, Masayuki Orihashi, Akihiko Matsuoka 2008-02-05
7324481 Radio transmitting apparatus and radio transmission method Kiyotaka Kobayashi, Masayuki Orihashi 2008-01-29
7289577 Modulation method and radio communication system Masayuki Orihashi, Akihiko Matsuoka, Morikazu Sagawa 2007-10-30
7289776 Nonlinear distortion compensation circuit with feedback and baseband reference signal that are phase and amplitude controllable Akihiko Matsuoka, Shinichiro Takabayashi 2007-10-30
7280611 Nonlinear distortion compensating device Masayuki Orihashi, Shinichir Takabayashi, Akihiko Matsuoka 2007-10-09
7280840 Receiving apparatus, transmitting apparatus, and reception method Katsuaki Abe, Kiyotaka Kobayashi, Masayuki Orihashi, Akihiko Matsuoka 2007-10-09
7266167 Reception apparatus Masayuki Orihashi, Akihiko Matsuoka 2007-09-04
7233630 Modulation method and radio communication system Masayuki Orihashi, Akihiko Matsuoka, Morikazu Sagawa 2007-06-19
7206606 Wireless communication including diversity transmission and reception Kiyotaka Kobayashi, Masayuki Orihashi, Akihiko Matsuoka 2007-04-17
7159228 Converter support device with slider Osamu Mizuno, Tohru Nakamura 2007-01-02
7130587 Communication quality estimation method, communication quality estimation apparatus, and communication system Tsuneo Hikokubo, Katsuaki Abe, Shinichiro Takabayashi 2006-10-31
7069489 Transmission apparatus, reception apparatus, transmission method, and reception method Katsuaki Abe, Masayuki Orihashi, Akihiko Matsuoka 2006-06-27
7023933 Radio communication apparatus Shinichiro Takabayashi, Katsuaki Abe, Masayuki Orihashi, Akihiko Matsuoka 2006-04-04
7013473 Transducer-supporting structure Osamu Mizuno, Hisayuki Enshu, Hideki Aikoh, Tohru Nakamura 2006-03-14
6995858 Printing apparatus using recording material cartridge with non-volatile memory Kunio Okada, Akio Sugaya, Takeshi Utsunomiya, Hideyuki Kitani, Kiyohiro Tsunekawa +2 more 2006-02-07
6993092 Transmission apparatus, reception apparatus and digital radio communication method Shinichiro Takabayashi, Masayuki Orihashi, Akihiko Matsuoka 2006-01-31
6985538 Digital radio communication system and method Shinichiro Takabayashi, Katsuaki Abe, Masayuki Orihashi, Akihiko Matsuoka 2006-01-10
6973011 Magnetic head cleaning disk for use in magneto-optical recording and reproducing device Osamu Mizuno, Hideki Nakata, Tohru Nakamura 2005-12-06
6854125 Magnetic head Osamu Mizuno, Tohru Nakamura 2005-02-08
6847591 Magnetic head device and recording reproducing apparatus Osamu Mizuno 2005-01-25
6785545 Digital mobile wireless communications apparatus and the system using the same Shinichiro Takabayashi, Masayuki Orihashi, Akihiko Matsuoka 2004-08-31
6762854 Method and apparatus for determining consumed amount of recording material Kunio Okada, Akio Sugaya, Takeshi Utsunomiya, Hideyuki Kitani, Kiyohiro Tsunekawa +2 more 2004-07-13
6748023 Apparatus and method for digital wireless communications Shinichiro Takabayashi, Masayuki Orihashi, Akihiko Matsuoka 2004-06-08
6748026 Distortion estimation apparatus, frequency offset compensation apparatus and reception apparatus Shinichiro Takabayashi, Masayuki Orihashi, Akihiko Matsuoka 2004-06-08
6738430 Apparatus and method for digital wireless communications Shinichiro Takabayashi, Masayuki Orihashi, Akihiko Matsuoka 2004-05-18