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 726–750 of 762 patents

Patent #TitleCo-InventorsDate
6731587 Transducer-supporting structure Osamu Mizuno, Hisayuki Enshu, Hideki Aikoh, Tohru Nakamura 2004-05-04
6711102 Magneto-optical cleaning disk Osamu Mizuno, Hideki Nakata, Tohru Nakamura 2004-03-23
6608843 Pilot signal transmission technique and digital communication system using same Masayuki Orihashi, Akihiko Matsuoka, Morikazu Sagawa 2003-08-19
6608868 Apparatus and method for digital wireless communications Shinichiro Takabayashi, Masayuki Orihashi, Akihiko Matsuoka 2003-08-19
6426850 Converter support structure Osamu Mizuno, Hisayuki Enshu, Tohru Nakamura 2002-07-30
6397271 System for switching from a first control program to a second control program based on discriminated transport status of recording medium Kunio Okada, Yoshiaki Kawamura, Haruo Fujita 2002-05-28
6278666 Magneto-optical disk recording and reproducing device Hideki Nakata, Hideki Aikoh, Kenichi Miyamori 2001-08-21
6212044 Magnetic head device Osamu Mizuno, Hisayuki Enshu 2001-04-03
6169755 Laser-diode-pumped solid state laser and an optical system using the same Manabu Mochizuki 2001-01-02
6154795 System for switching from control program stored in an output apparatus to control program stored in detachable memory based on discriminated feeding status of recording medium Kunio Okada, Yoshiaki Kawamura, Haruo Fujita 2000-11-28
6091673 Magneto-optical head Osamu Mizuno 2000-07-18
6035149 Output apparatus and method in which a suitable analyzer is selected for input information, and the input information is skipped if no analyzer is selected Masamichi Akashi, Satoshi Nagata, Yoichi Toyokura, Yukio Kanakubo, Hiroharu Takahashi +1 more 2000-03-07
5905853 Image printing apparatus and method having changeable capacity storage means 1999-05-18
5881033 Objective lens actuator having a high degree of design freedom Hironori Tomita 1999-03-09
5878275 Information processing apparatus which discriminates whether or not input information is stored in memory and controlling the switching from a first control program to a second control program Kunio Okada, Yoshiaki Kawamura, Haruo Fujita 1999-03-02
5843626 Method for manufacturing a master disc for optical discs Minemasa Ohta, Hiroyuki Ohira, Nobuki Yamaoka 1998-12-01
D401313 Car air conditioner Seisuke Shirai 1998-11-17
5781351 Mounting structure of objective lens for optical pick-up used for optical disk device Takao Hayashi, Tomotada Kamei 1998-07-14
5762744 Method of producing a semiconductor device using an expand tape Kazutaka Shibata 1998-06-09
5751690 Optical disk having pattern displayed thereon and apparatus for manufacturing same Hiroyuki Ohira, Nobuki Yamaoka 1998-05-12
5748607 Optical disc having large display patterns and its manufacturing apparatus Hiroyuki Ohira, Nobuki Yamaoka 1998-05-05
5675570 Optical disc having indication portion Hiroyuki Ohira, Nobuki Yamaoka 1997-10-07
5675722 Pattern output apparatus 1997-10-07
5666584 Information output apparatus and method utilizing multi-function mode indicator Masamichi Akashi, Satoshi Nagata, Yoichi Toyokura, Yukio Kanakubo, Hiroharu Takahashi +1 more 1997-09-09
5484714 Method of producing trehalose by microorganisms which can produce tremalose with sucrose or maltose as main carbon source Takayasu Tsuchida, Yoshitaka Nishimoto, Takuya Kotani 1996-01-16