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

Yoshihiro Murakami — 123 Patents

Sony: 56 patents #372 of 25,231Top 2%
YAYazaki: 37 patents #61 of 3,427Top 2%
TCTsubakimoto Chain: 14 patents #30 of 593Top 6%
Toyota: 11 patents #2,600 of 26,838Top 10%
Sharp Kabushiki Kaisha: 4 patents #3,475 of 10,731Top 35%
SPSakai Display Products: 3 patents #61 of 175Top 35%
OCOki Semiconductor Co.: 3 patents #60 of 526Top 15%
SCSanyo Electric Co.: 2 patents #2,557 of 6,347Top 45%
KCKobelco Construction Machinery Co.: 2 patents #167 of 422Top 40%
KSKobe Steel: 2 patents #504 of 2,031Top 25%
NCNkk Co.: 2 patents #309 of 1,173Top 30%
UNUnknown: 1 patents #29,356 of 83,584Top 40%
LCLapis Semiconductor Co.: 1 patents #173 of 349Top 50%
Aisin Seiki Kabushiki Kaisha: 1 patents #2,094 of 3,782Top 60%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
Hitachi: 1 patents #17,742 of 28,497Top 65%
Overall (All Time): #9,479 of 4,157,543Top 1%
123 Patents All Time

Issued Patents All Time

Showing 51–75 of 123 patents

Patent #TitleCo-InventorsDate
6980731 Data transmitting method and data transmitter Katsumi Tahara, James H. Wilkinson 2005-12-27
6918486 Conveyor chain Katsutoshi Shibayama, Hajime Ozaki 2005-07-19
6910572 Conveyor chain Katsutoshi Shibayama, Hajime Ozaki 2005-06-28
6671323 Encoding device, encoding method, decoding device, decoding method, coding system and coding method Katsumi Tahara 2003-12-30
6628713 Method and device for data encoding and method for data transmission Takashi Kojima, Hideki Koyanagi, Shigeto Funado 2003-09-30
6560282 Transcoding system using encoding history information Katsumi Tahara, Takuya Kitamura, Kanji Mihara 2003-05-06
6527106 Roller for chain and chain equipped with the roller Minoru Tanabe, Katsutoshi Shibayama 2003-03-04
6507695 DIGITAL INFORMATION SIGNAL RECORDING APPARATUS FOR RECORDING A DIGITAL INFORMATION SIGNAL TO A RECORD MEDIUM AND DIGITAL INFORMATION SIGNAL REPRODUCING APPARATUS FOR REPRODUCING A DIGITAL INFORMATION SIGNAL FROM A RECORD MEDIUM Fumiaki Henmi, Tetsuo Kani, Takao Inoue, Shoji Kosuge, Minoru Kawahara +1 more 2003-01-14
6480544 Encoding apparatus and encoding method Kenji Uehara, Shigeto Funado, Osamu Matsunaga, Shigeo Fujishiro 2002-11-12
6471047 Conveyor chain for use in crossed delivery conveyor Katsutoshi Shibayama, Takashi Ishii 2002-10-29
6438316 Recording/reproducing apparatus and method for including line numbers Fumiaki Henmi, Tetsuo Kani, Takao Inoue, Shoji Kosuge, Minoru Kawahara +2 more 2002-08-20
D460974 Tracked vehicle for construction Kazuyuki Takeda 2002-07-30
6393197 Digital video signal recording/reproducing apparatus and method thereof Fumiaki Henmi, Tetsuo Kani, Takao Inoue, Makoto Toyoshima 2002-05-21
6345175 Apparatus and method for preventing beat interference 2002-02-05
6290286 Construction machine Makoto Okada, Tomoo Ishihara, Masaaki Murakami 2001-09-18
6250458 Low friction coefficient plastic conveyor chain Katsutoshi Shibayama, Takashi Ishii, Daisuke Sanada, Toshio Kubayashi 2001-06-26
6213292 Molded conveyor chain Toshio Takahashi, Katsutoshi Shibayama, Takashi Ishii 2001-04-10
6189686 Slat conveyor chain Katsutoshi Shibayama 2001-02-20
6102739 Automatic transmission wiring connector 2000-08-15
6057684 Magnetic flaw detection apparatus using an E-shaped magnetic sensor and high-pass filter Akio Nagamune, Hiroharu Kato, Junichi Yotsuji, Kozo Maeda, Kenichi Iwanaga 2000-05-02
5941736 Connector and method of assembling same 1999-08-24
5847764 Reduction of image information distoration by adaptively band-limiting the image information as a function of at least a quantizing value 1998-12-08
5848220 High definition digital video recorder Fumiaki Henmi, Takashi Sasaya, Takao Abe 1998-12-08
5758268 Transmitter Yasuaki Tomiyama 1998-05-26
5746304 Speed increasing and accumulating conveyor chain Michiya Hashino, James G. Lamoureux, Shinichi Fukushima, Katsutoshi Shibayama, Sachio Hayashi 1998-05-05