Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Masashi Wada — 49 Patents

Hitachi: 20 patents #1,757 of 28,497Top 7%
HEHitachi Vlsi Engineering: 11 patents #38 of 666Top 6%
Kabushiki Kaisha Toshiba: 6 patents #4,930 of 21,451Top 25%
Mitsubishi Electric: 5 patents #5,859 of 25,717Top 25%
HCHitachi Ulsi Systems Co.: 5 patents #151 of 867Top 20%
HHHitachi High-Technologies: 5 patents #720 of 1,917Top 40%
ACAkita Electronics Co.: 3 patents #12 of 68Top 20%
RTRenesas Technology: 3 patents #990 of 3,337Top 30%
TOToshiba: 2 patents #606 of 2,688Top 25%
HSHitachi Tohbu Semiconductor: 2 patents #78 of 223Top 35%
SCSumitomo Chemical: 2 patents #1,792 of 4,033Top 45%
SMSuzuki Motor: 2 patents #288 of 1,209Top 25%
Honda Motor Co.: 1 patents #12,035 of 21,052Top 60%
KAKao: 1 patents #1,961 of 3,221Top 65%
TCTakasago Industry Co.: 1 patents #10 of 16Top 65%
Yamaha Motor: 1 patents #1,283 of 2,310Top 60%
JCJapan Fine Ceramics Center: 1 patents #52 of 117Top 45%
Tokyo, JP: #1,987 of 90,295 inventorsTop 3%
Overall (All Time): #55,592 of 4,157,543Top 2%
49 Patents All Time
Masashi Wada has been granted 49 US patents while listed as an inventor at Hitachi. The first was granted in 1984 and the most recent in January 2025. Masashi Wada ranks #55,592 of 4,157,543 US inventors in our database (top 1.3%). Patent records list Masashi Wada in Tokyo, JP.

Issued Patents All Time

Showing 1–25 of 49 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12198894 Measurement system and method of setting parameter of charged particle beam device Hiroshi Oinuma, Kazuki Ikeda, Wen Li 2025-01-14
11961701 Charged particle beam device and operation method therefor Tomoharu NAGASHIMA, Kazuki Ikeda, Wen Li, Hajime Kawano 2024-04-16
11898974 Charged particle beam device, computer, and signal processing method for charged particle beam device Hiroshi Oinuma, Wen Li 2024-02-13
11271434 Rectenna device Toshiyuki Tanaka, Tomohiro Takahashi, Hiroshi Osakada, Yukihiro Homma 2022-03-08
11031610 Fuel cell stack Yuta Ikeda, Naoki Inoue, Yosuke YOSHIZAWA 2021-06-08 $678,000
10094559 Regeneration rotary kiln Norio Muto, Motoharu Suzuki, Toshiki Nakamura, Satoshi Kitaoka, Kazuhiko Kawai +1 more 2018-10-09
8304726 Test apparatus Katsunori Hirano, Tadanobu Toba, Masahiro Ohashi 2012-11-06
8276263 Surface mounting apparatus Hirotoshi Yamagata, Hiroyuki Takagi, Akira Kishida, Hiroaki Fujita 2012-10-02
7952072 Test apparatus Katsunori Hirano, Tadanobu Toba, Masahiro Ohashi 2011-05-31 $122,000
7811546 Aluminum hydroxide aggregated particles, process for producing the same, vessel used therefor, and process for producing aluminum hydroxide powder Hisakatsu Kato, Naoyuki Eguchi, Hirofumi Sasaki 2010-10-12
7758129 Attaching structure of split type seat back Yuuki Maruno 2010-07-20
7704465 Aluminum hydroxide aggregated particles producing vessel Hisakatsu Kato, Naoyuki Eguchi, Hirofumi Sasaki 2010-04-27
7661744 Attaching structure of split type seat back for vehicle Yuuki Maruno 2010-02-16
7376015 Nonvolatile memory, semiconductor device, and method of programming to nonvolatile memory Toshihiro Tanaka, Yutaka Shinagawa, Kazufumi Suzukawa, Masamichi Fujito, Takashi Yamaki +2 more 2008-05-20 $196,000
6963507 Nonvolatile memory, semiconductor device, and method of programming to nonvolatile memory Toshihiro Tanaka, Yutaka Shinagawa, Kazufumi Suzukawa, Masamichi Fujito, Takashi Yamaki +2 more 2005-11-08 $167,000
6912172 Semiconductor device and method of the semiconductor device Kazuki Honma, Yoshiki Kawajiri, Mikio Sugawara, Hirofumi Sonoyama 2005-06-28 $115,000
6757853 Semiconductor memory, memory device, and memory card Takao Okubo, Takeshi Furuno 2004-06-29 $194,000
6667928 Semiconductor device in which a chip is supplied either a first voltage or a second voltage Kazuki Honma, Yoshiki Kawajiri, Mikio Sugawara, Hirofumi Sonoyama 2003-12-23 $285,000
6618298 Semiconductor memory device Kazuki Honma, Shuichi Kuwahara 2003-09-09 $256,000
6567313 Nonvolatile memory, semiconductor device and method of programming to nonvolatile memory Toshihiro Tanaka, Yutaka Shinagawa, Kazufumi Suzukawa, Masamichi Fujito, Takashi Yamaki +2 more 2003-05-20 $125,000
6512398 Semiconductor integrated circuit device having reference voltage generating section Hirofumi Sonoyama, Yoshiki Kawajiri, Jun Eto, Shinji Kawai 2003-01-28 $136,000
6477671 Semiconductor memory, memory device, and memory card Takao Okubo, Takeshi Furuno 2002-11-05 $73,000
6266792 Semiconductor memory, memory device, and memory card Takao Okubo, Takeshi Furuno 2001-07-24 $396,000
6016560 Semiconductor memory, memory device, and memory card Takao Okuba, Takeshi Furuno 2000-01-18 $3,123,000
5898621 Batch erasable single chip nonvolatile memory device and erasing method therefor Masahito Takahashi, Michiko Odagiri, Takeshi Furuno, Kazunori Furusawa 1999-04-27 $538,000