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

Tetsuya Uda — 31 Patents

Hitachi: 16 patents #2,442 of 28,497Top 9%
HTHitachi Communication Technologies: 6 patents #6 of 214Top 3%
KUKyoto University: 5 patents #83 of 1,688Top 5%
Sumitomo Electric Industries: 4 patents #6,367 of 21,551Top 30%
Microsoft: 2 patents #17,644 of 40,388Top 45%
Caltech: 1 patents #2,143 of 4,321Top 50%
IBM: 1 patents #44,878 of 70,183Top 65%
NSNippon Steel: 1 patents #2,111 of 4,423Top 50%
Overall (All Time): #115,823 of 4,157,543Top 3%
31 Patents All Time
Tetsuya Uda has been granted 31 US patents while listed as an inventor at Hitachi. The first was granted in 2006 and the most recent in January 2023. Tetsuya Uda ranks #115,823 of 4,157,543 US inventors in our database (top 2.8%). Patent records list Tetsuya Uda in Kyoto, CA, JP.

Patents per Year

Patents granted per year, 2006 to 2023Bar chart with a peak of 5 patents in 2006.peak 52006: 5 patents20062007: 4 patents2008: 4 patents20082009: 2 patents2010: 2 patents20102011: 1 patents2012: 2 patents20122013: 2 patents2014: 2 patents20142015: 2 patents2018: 2 patents20182020: 1 patents2022: 1 patents20222023: 1 patents2023

Issued Patents All Time

Showing 1–25 of 31 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11545690 Proton conductor, proton-conducting cell structure, water vapor electrolysis cell, and method for producing hydrogen electrode-solid electrolyte layer complex Takahiro HIGASHINO, Yohei Noda, Chihiro Hiraiwa, Naho Mizuhara, Mitsuyasu Ogawa +4 more 2023-01-03 $662,000
11359298 Method for producing titanium foil or titanium sheet, and cathode electrode Kouhei Funatsu, AKIHIRO KISHIMOTO, Kenichi Mori, Hideki Fujii 2022-06-14 $643,000
10734665 Method for producing cell structure Takahiro HIGASHINO, Kazunari MIYAMOTO, Yohei Noda, Chihiro Hiraiwa, Naho Mizuhara +4 more 2020-08-04
10050295 Solid electrolyte laminate, method for manufacturing solid electrolyte laminate, and fuel cell Chihiro Hiraiwa, Masatoshi Majima, Atsushi Yamaguchi, Naho Mizuhara, Yohei Noda 2018-08-14
9876248 Solid electrolyte, method for manufacturing solid electrolyte, solid electrolyte laminate, method for manufacturing solid electrolyte laminate, and fuel cell Chihiro Hiraiwa, Masatoshi Majima, Atsushi Yamaguchi, Naho Mizuhara, Donglin Han +1 more 2018-01-23
9106523 Communication device and method of controlling the same Masayuki Takase, Takayuki Kanno, Kenji FUJIHIRA 2015-08-11
9030928 Communication system, communication method and network management apparatus Kenji FUJIHIRA, Masayuki Takase 2015-05-12
8774620 Optical transmission system and optical transmission method Kento Iizawa 2014-07-08
8626001 Optical communication card and optical transmission device Masafumi Kamakura, Koji Takatori, Yasuyuki Fukashiro, Hidemasa Narita 2014-01-07
8588615 Optical communication card and communication device Masafumi Kamakura, Koji Takatori, Yasuyuki Fukashiro, Hidemasa Narita 2013-11-19
8520196 Optical communication module and optical fiber communication system Riu Hirai, Nobuhiko Kikuchi, Shinya Sasaki 2013-08-27
8209169 Synchronization of an input text of a speech with a recording of the speech Noriko Imoto, Takatoshi Watanabe 2012-06-26 $51,469,000
8121486 Optical transmission apparatus Hiroshi Takeuchi 2012-02-21 $131,000
8065142 Synchronization of an input text of a speech with a recording of the speech Noriko Imoto, Takatoshi Watanabe 2011-11-22 $6,269,000
7809263 Optical transmission apparatus and control method therefor Kenta Noda, Yasuhiro Uchiyama, Hiroshi Masuda, Hiroyuki Nakano 2010-10-05 $77,000
7725034 Optical transmision apparatus and control method therefor Kenta Noda, Yasuhiro Uchiyama, Hiroshi Masuda, Hiroyuki Nakano 2010-05-25 $49,000
7554717 Optical transmission device equipped with pluggable variable optical attenuator Hiroyuki Nakano, Yasuhiro Uchiyama 2009-06-30 $91,000
7536110 Optical transmission system for substantially equalizing the output signal level among frequency bands and substantially lowering the signal-to-noise ratio Hiroshi Masuda, Hirofumi Nakano, Eita Miyasaka, Satoshi Asamizu 2009-05-19 $101,000
7463829 Optical transmission apparatus and control method therefor Kenta Noda, Yasuhiro Uchiyama, Hiroshi Masuda, Hiroyuki Nakano 2008-12-09 $138,000
7435013 Variable dispersion compensation equipment, optical transmission system using it and method of setting dispersion compensation quantity Tooru Hirai, Takashi Mori, Yasuyuki Fukashiro, Hiroyuki Nakano 2008-10-14 $133,000
7415177 Dispersion compensation device and dispersion compensation method Yasuyuki Fukashiro, Hiroyuki Nakano, Tooru Hirai 2008-08-19 $272,000
7391974 Wavelength division multiplexing optical transmission equipment and method of amplifying optical wavelength division multiplexed signals Shigehiro Takashima, Shigenori Hayase, Yoshimasa Kusano, Satoshi Asamizu, Hirofumi Nakano 2008-06-24 $308,000
7272325 Optical transmission system for substantially equalizing the output signal level among frequency bands and substantially lowering the signal-to-noise ratio Hiroshi Masuda, Hirofumi Nakano, Eita Miyasaka, Satoshi Asamizu 2007-09-18 $160,000
7250232 Processing techniques for the fabrication of solid acid fuel cell membrane electrode assemblies Dane Andrew Boysen, Calum Chisholm, Sossina M. Haile 2007-07-31
7218818 Dispersion compensation device and dispersion compensation method Yasuyuki Fukashiro, Hiroyuki Nakano, Tooru Hirai 2007-05-15 $220,000