Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Masayoshi Esashi — 55 Patents

UNUnknown: 16 patents #305 of 83,584Top 1%
TUTohoku University: 12 patents #29 of 1,680Top 2%
ACAlps Electric Co.: 7 patents #261 of 2,177Top 15%
Toyota: 6 patents #4,861 of 26,838Top 20%
TLToyota Central R&D Labs: 6 patents #153 of 1,657Top 10%
Sumitomo Electric Industries: 4 patents #6,367 of 21,551Top 30%
NCNippon Signal Co.: 4 patents #7 of 78Top 9%
Hitachi: 3 patents #10,718 of 28,497Top 40%
ADAdvantest: 3 patents #330 of 1,193Top 30%
OCOlympus Optical Co.: 3 patents #953 of 2,334Top 45%
PEPentax: 3 patents #145 of 396Top 40%
Canon: 3 patents #11,284 of 19,416Top 60%
ACAkebono Brake Industry Co.: 2 patents #120 of 376Top 35%
BSBall Semiconductor: 2 patents #24 of 63Top 40%
KCKuraray Co.: 2 patents #662 of 1,827Top 40%
ANAnelva: 2 patents #81 of 280Top 30%
Sony: 1 patents #17,321 of 25,231Top 70%
Denso: 1 patents #6,940 of 11,792Top 60%
TOTokimec: 1 patents #33 of 82Top 45%
TLTokyo Electron Limited: 1 patents #3,538 of 5,567Top 65%
JAJapan Science And Technology Agency: 1 patents #756 of 2,171Top 35%
HOHoya: 1 patents #757 of 1,290Top 60%
NUNational University Corporation Chiba University: 1 patents #100 of 320Top 35%
MIMitsubishi Cable Industries: 1 patents #162 of 372Top 45%
NKNippon Kayaku: 1 patents #556 of 1,103Top 55%
FIFujikin Incorporated: 1 patents #196 of 318Top 65%
Ricoh Company: 1 patents #6,943 of 9,818Top 75%
Sendai, JP: #26 of 1,330 inventorsTop 2%
Overall (All Time): #45,454 of 4,157,543Top 2%
55 Patents All Time
Masayoshi Esashi has been granted 55 US patents while listed as an inventor at Unknown. The first was granted in 1980 and the most recent in August 2017. Masayoshi Esashi ranks #45,454 of 4,157,543 US inventors in our database (top 1.1%). Patent records list Masayoshi Esashi in Sendai, JP.

Issued Patents All Time

Showing 1–25 of 55 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9739675 Surface acoustic wave sensor Akihiko Teshigahara, Toshihiko TAKAHATA, Takao Iwaki, Shuji Tanaka, Kenya Hashimoto 2017-08-22
9478503 Integrated device Mitsutoshi Makihata, Shuji Tanaka, Masanori Muroyama, Hirofumi Funabashi, Yutaka Nonomura +4 more 2016-10-25
9215089 Touch sensor system Masanori Muroyama, Shuji Tanaka, Sakae Matsuzaki, Mitsutoshi Makihata, Yutaka Nonomura +4 more 2015-12-15
9134189 Dynamic quantity sensor and dynamic quantity sensor system Yoshiyuki Hata, Yutaka Nonomura, Motohiro Fujiyoshi, Hirofumi Funabashi, Teruhisa Akashi +7 more 2015-09-15 $848,000
8823114 Sensor device having electrode draw-out portions through side of substrate Shuji Tanaka, Masanori Muroyama, Sakae Matsuzaki, Mitsutoshi Makihata, Yutaka Nonomura +4 more 2014-09-02 $954,000
8796850 Wiring connection method and functional device Shuji Tanaka, Sakae Matsuzaki, Mamoru Mori 2014-08-05
8613231 Sheet-like tactile sensor system Masanori Muroyama, Shuji Tanaka, Sakae Matsuzaki, Mitsutoshi Makihata, Yutaka Nonomura +4 more 2013-12-24 $3,505,000
8481248 Method for fabricating micromachine component of resin Nao Honda, Satoshi Mori, Shuji Tanaka 2013-07-09
8336399 Sensor system Masanori Muroyama, Shuji Tanaka, Sakae Matsuzaki, Mitsutoshi Makihata, Yutaka Nonomura +4 more 2012-12-25
7723896 Driving mechanism using shape memory alloys including a magnetic latch Yoichi Haga, Masanori Mizushima, Tadao Matsunaga 2010-05-25
7560081 Reactor and production thereof, reformer, and power supply system including paired channels having a heat exchanger formed thereon Yuichi Takai, Shuji Tanaka 2009-07-14 $832,000
7466065 Bimorph switch, bimorph switch manufacturing method, electronic circuitry and electronic circuitry manufacturing method Hirokazu Sanpei, Jun Mizuno, Masazumi Yasuoka, Humikazu Takayanagi, Takehisa Takoshima +1 more 2008-12-16 $69,000
7405506 Driving mechanism and micro-mirror device provided with the same Naoki Kikuchi, Rogerio Jun Mizuno, Masanori Maeda, Satoshi Karasawa 2008-07-29
7372620 Micromirror and micromirror device Naoki Kikuchi 2008-05-13 $165,000
7276707 Deflector, method of manufacturing deflector, and charged particle beam exposure apparatus Yuichi Iwasaki, Masato Muraki, Kenji Tamamori, Kouji Asano, Yoshinori Nakayama +2 more 2007-10-02
7271946 Micromirror and micromirror device Naoki Kikuchi 2007-09-18 $160,000
7236283 Scanning mirror unit and beam scanning probe Naoki Kikuchi, Yoichi Haga, Masanori Maeda 2007-06-26 $246,000
7223329 Active slender tubes and method of making the same Yoichi Haga 2007-05-29
7177519 Functional multilayer film and method for manufacturing the same Yoshihiro Someno, Munemitsu Abe 2007-02-13 $1,013,000
7170216 Bimorph switch, bimorph switch manufacturing method, electronic circuitry and electronic circuitry manufacturing method Hirokazu Sanpei, Jun Mizuno, Masazumi Yasuoka, Humikazu Takayanagi, Takehisa Takoshima +1 more 2007-01-30 $24,000
6953938 Deflector, method of manufacturing deflector, and charged particle beam exposure apparatus Yuichi Iwasaki, Masato Muraki, Kenji Tamamori, Kouji Asano, Yoshinori Nakayama +2 more 2005-10-11
6938489 Oscillatory type pressure sensor Kaoru Hirata 2005-09-06
6936015 Active guide wire and method of making the same Yoichi Haga, Takashi Mineta 2005-08-30
6935181 Anticorrosive vacuum sensor Haruzo Miyashita, Yasuyuki Kitamura 2005-08-30
6903637 Connecting member, a micro-switch, a method for manufacturing a connecting member, and a method for manufacturing a micro-switch Masaru Miyazaki, Hirokazu Sampei, Yongxun Liu 2005-06-07 $46,000