Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
JY

Jun Yamazaki — 41 Patents

Hitachi: 14 patents #2,892 of 28,497Top 15%
Sony: 5 patents #7,811 of 25,231Top 35%
VPVodafone Group Plc.: 5 patents #30 of 243Top 15%
VKVodafone K.K.: 4 patents #5 of 32Top 20%
ASAichi Steel: 2 patents #31 of 108Top 30%
TIToyota Industries: 2 patents #892 of 1,610Top 60%
RIRiken: 1 patents #679 of 1,824Top 40%
UNUnknown: 1 patents #29,356 of 83,584Top 40%
NINano-X Imaging: 1 patents #4 of 5Top 80%
KCKusumoto Chemicals: 1 patents #11 of 29Top 40%
Denso: 1 patents #6,940 of 11,792Top 60%
Fujitsu Limited: 1 patents #14,843 of 24,456Top 65%
PCPolymatech Co.: 1 patents #43 of 84Top 55%
Overall (All Time): #75,001 of 4,157,543Top 2%
41 Patents All Time
Jun Yamazaki has been granted 41 US patents while listed as an inventor at Hitachi. The first was granted in 1987 and the most recent in November 2025. Jun Yamazaki ranks #75,001 of 4,157,543 US inventors in our database (top 1.8%). Patent records list Jun Yamazaki in Tokyo, MH, JP.

Issued Patents All Time

Showing 1–25 of 41 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12462267 Prediction system and prediction method Masato UTSUMI, Tomofumi Watanabe, Ikuo SHIGEMORI, Tetsu ITO, Daisuke HAMABA 2025-11-04
12289184 Estimation system and estimation method Masato UTSUMI, Tohru Watanabe, Kazuki NAMBA, Ikuo SHIGEMORI, Hiroshi Iimura +2 more 2025-04-29
11214008 Three-dimensional object formation instruction apparatus, three-dimensional object production method, and program Hikaru Kouta, Norio Senda, Shinji Nagashiro, Ryota Koga, Yuki Furukawa 2022-01-04
11148693 Platoon traffic system and platoon traffic control method Hisanori Teshima, Kojin YANO, Shuichiro Sakikawa, Takahiro Matsushita 2021-10-19
11133674 System operation support device and method in power system, and wide-area monitoring protection control system Kenta KIRIHARA, Sumito TOBE, Masahiro YATSU, Hiroo HORII 2021-09-28
11101095 Devices having an electron emitting structure Koichi Iida, Hidenori Kenmotsu, Hitoshi Masuya 2021-08-24 $37,141,000
10628896 System stability monitoring device and system stability monitoring system Masahiro YATSU, Sumito TOBE, Yasuo Sato, Osamu Tomobe, Eisuke Kuroda 2020-04-21
10598702 Similarity detection of abnormal waveforms using PMU measurement Norifumi Nishikawa, Mika TAKATA 2020-03-24
10473700 Voltage stability monitoring device and method Eisuke Kuroda, Yasuo Sato, Osamu Tomobe, Masahiro YATSU, Kouichi Hara +1 more 2019-11-12
10461538 System stabilization control device and power system control system Osamu Tomobe, Eisuke Kuroda, Akira Tsubota, Sumito TOBE, Masahiro YATSU 2019-10-29
10371592 System stability monitoring apparatus and method Masahiro YATSU, Sumito TOBE, Yasuo Sato, Osamu Tomobe, Eisuke Kuroda 2019-08-06
10242836 Devices having an electron emitting structure Koichi Iida, Hidenori Kenmotsu, Hitoshi Masuya 2019-03-26
10222196 Electric power system monitoring device and electric power system monitoring system Masahiro YATSU, Sumito TOBE, Osamu Tomobe, Tatsuki Inuduka 2019-03-05
10193385 Power system monitoring apparatus, power system control apparatus, and power system monitoring method employing events of assumable breakdowns and assumable output changes Yasuo Sato, Masahiro YATSU, Kouichi Hara, Eisuke Kuroda, Osamu Tomobe 2019-01-29
9852483 Forecast system and method of electric power demand Toshiyuki Sawa, Shigeki Mori 2017-12-26
9843190 Power system management device and method Yasuo Sato, Toshiyuki Sawa, Taichiro Kawahara 2017-12-12
9746511 Estimating the locations of power system events using PMU measurements Alex Wang, Hsiu-Khuern Tang, Bo Yang 2017-08-29
9651047 Compressor having a partitioned discharge chamber Takuro Yamashita, Kunihisa MATSUDA 2017-05-16
9624928 Scroll-type compressor with gas passage formed in orbiting plate to restrict flow from compression chamber to back pressure chamber Atsushi Nishizawa, Kenji Maemura, Muneharu Murase 2017-04-18
9389005 Two-stage compression refrigeration cycle device Ryo Takizawa, Masami Taniguchi 2016-07-12
8958984 Route search device, server device and navigation device Mariko Okude, Tomoaki Hiruta 2015-02-17
8667070 Storage medium storing a mail management program, and mail management apparatus and method Atsushi Uchiyama 2014-03-04
8624838 Electronic apparatus Hirohisa Kusuda, Yasuhiro Nishide, Daisuke Tsujino, Takashi Katayama, Mineko Moroto 2014-01-07 $82,072,000
8619028 Mobile communication terminal, application program, image display control apparatus, electronic apparatus, and image display control method Hirohisa Kusuda, Yasuhiro Nishide, Daisuke Tsujino, Takashi Katayama 2013-12-31 $56,527,000
8326566 Program development system Daisuke Tsujino, Yasuhiro Nishide, Hirohisa Kusuda 2012-12-04 $46,035,000