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

Daisuke Ryuzaki — 33 Patents

Hitachi: 15 patents #2,639 of 28,497Top 10%
HCHitachi Chemical Company: 9 patents #162 of 1,946Top 9%
HDHitachi Displays: 3 patents #305 of 752Top 45%
SCShowa Denko Materials Co.: 2 patents #64 of 270Top 25%
HCHitachi Ulsi Systems Co.: 2 patents #419 of 867Top 50%
RTRenesas Technology: 2 patents #1,374 of 3,337Top 45%
RERenesas Electronics: 1 patents #2,739 of 4,529Top 65%
FHFujifilm Healthcare: 1 patents #79 of 164Top 50%
Kodaira, JP: #38 of 1,073 inventorsTop 4%
Overall (All Time): #105,480 of 4,157,543Top 3%
33 Patents All Time
Daisuke Ryuzaki has been granted 33 US patents while listed as an inventor at Hitachi. The first was granted in 2002 and the most recent in March 2022. Daisuke Ryuzaki ranks #105,480 of 4,157,543 US inventors in our database (top 2.5%). Patent records list Daisuke Ryuzaki in Kodaira, JP.

Patents per Year

Patents granted per year, 2002 to 2022Bar chart with a peak of 10 patents in 2020.peak 102002: 1 patents20022004: 2 patents2005: 1 patents20052006: 1 patents2009: 2 patents20092011: 2 patents2012: 2 patents20122013: 1 patents2014: 1 patents20142015: 1 patents2018: 4 patents20182019: 2 patents2020: 10 patents20202021: 2 patents2022: 1 patents2022

Issued Patents All Time

Showing 1–25 of 33 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11268937 Capacitive micromachined ultrasonic transducer and ultrasonic imaging apparatus using the same Taiichi Takezaki, Shuntaro Machida, Yasuhiro Yoshimura, Tatsuya Nagata, Naoaki Yamashita 2022-03-08
11181441 Sensor system Keiji Watanabe, Hiroaki Hasegawa, Hisanori Matsumoto 2021-11-23
11118005 Composition, hole transport material composition, and ink composition Kazuyuki KAMO, Hirotaka Sakuma, Kenichi Ishitsuka, Tomotsugu SUGIOKA, Yuki YOSHINARI +1 more 2021-09-14
10868252 Organic electronics material and use thereof Yuki YOSHINARI, Kenichi Ishitsuka, Tomotsugu SUGIOKA, Shigeaki Funyuu, Shunsuke Ueda +3 more 2020-12-15
10751027 Ultrasound probe, performance evaluation method therefor, and ultrasound diagnostic equipment Taiichi Takezaki, Shuntaro Machida 2020-08-25
10737937 Sensor characteristic evaluation method and charged particle beam device Toshiyuki Mine, Keiji Watanabe, Koji Fujisaki, Masaharu Kinoshita, Masatoshi Morishita 2020-08-11
10703947 Slurry, polishing fluid set, polishing fluid, and substrate polishing method using same Tomohiro Iwano, Hirotaka Akimoto, Takenori Narita, Tadahiro Kimura 2020-07-07
10662059 Micro-electro-mechanical-systems processing method, and micro-electro-mechanical-systems processing apparatus Keiji Watanabe, Hiroyasu Shichi, Misuzu Sagawa, Toshiyuki Mine 2020-05-26
10610890 Ultrasonic transducer element, method of manufacturing the same, and ultrasonic image pickup device Hiroaki Hasegawa, Taiichi Takezaki, Shuntaro Machida 2020-04-07
10605824 MEMS manufacturing method and MEMS manufacturing apparatus Shuntaro Machida, Nobuyuki Sugii, Keiji Watanabe, Tetsufumi Kawamura, Kazuki Watanabe 2020-03-31
10603689 Ultrasonic transducer, method for making same, ultrasonic transducer array, and ultrasonic test apparatus Shuntaro Machida, Tatsuya Nagata, Naoaki Yamashita, Yuko Hanaoka, Yasuhiro Yoshimura 2020-03-31
10549989 Microstructure manufacturing method and ION beam apparatus Hiroyasu Shichi, Keiji Watanabe 2020-02-04
10546721 Microstructure manufacturing method and microstructure manufacturing apparatus Keiji Watanabe, Hiroyasu Shichi 2020-01-28
10410826 Device processing method and device processing apparatus Tetsufumi Kawamura, Misuzu Sagawa, Kazuki Watanabe, Keiji Watanabe, Shuntaro Machida +1 more 2019-09-10
10336609 Microstructure processing method and microstructure processing apparatus Keiji Watanabe, Shuntaro Machida, Katsuya Miura, Aki Takei, Tetsufumi Kawamura +1 more 2019-07-02
10040971 Polishing agent and method for polishing substrate using the polishing agent Yousuke Hoshi, Naoyuki Koyama, Shigeru Nobe 2018-08-07
9988573 Slurry, polishing liquid set, polishing liquid, method for polishing substrate, and substrate Tomohiro Iwano, Takenori Narita 2018-06-05
9982177 Slurry, polishing fluid set, polishing fluid, and substrate polishing method using same Tomohiro Iwano, Hirotaka Akimoto, Takenori Narita, Tadahiro Kimura 2018-05-29
9857610 Optical modulator and method for manufacturing same Hideo Arimoto, Kazuki Tani, Takashi Takahama, Yoshitaka Sasago 2018-01-02
9165777 Polishing agent and method for polishing substrate using the polishing agent Yousuke Hoshi, Naoyuki Koyama, Shigeru Nobe 2015-10-20
8728341 Polishing agent, concentrated one-pack type polishing agent, two-pack type polishing agent and method for polishing substrate Takenori Narita, Yousuke Hoshi, Tomohiro Iwano 2014-05-20
8617275 Polishing agent and method for polishing substrate using the polishing agent Yousuke Hoshi, Naoyuki Koyama, Shigeru Nobe 2013-12-31
8158981 Radiation-sensitive composition, method of forming silica-based coating film, silica-based coating film, apparatus and member having silica-based coating film and photosensitizing agent for insulating film Kouichi Abe, Kei Kasuya, Tetsushi Maruyama, Yousuke Aoki, Kyouko Kojima 2012-04-17 $96,000
8106385 Organic siloxane film, semiconductor device using the same, flat panel display device, and raw material liquid Hiroshi Fukuda 2012-01-31 $128,000
7969520 Liquid crystal display device and dielectric film usable in the liquid crystal display device Kazuyoshi Torii, Mutsuko Hatano, Daisuke Sonoda, Toshiki Kaneko 2011-06-28 $117,000