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USPTO Patent Rankings Data through Dec 31, 2025
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Masashi Okada — 21 Patents

NINikon: 7 patents #587 of 2,493Top 25%
Panasonic: 5 patents #5,184 of 21,108Top 25%
NKNippon Kogaku K.K.: 3 patents #114 of 382Top 30%
SISanyo Chemical Industries: 3 patents #83 of 607Top 15%
HZHitachi Zosen: 1 patents #216 of 531Top 45%
TTTokyo Institute Of Technology: 1 patents #411 of 1,159Top 40%
Osaka, JP: #2,012 of 24,344 inventorsTop 9%
Overall (All Time): #201,324 of 4,157,543Top 5%
21 Patents All Time
Masashi Okada has been granted 21 US patents while listed as an inventor at Nikon. The first was granted in 1982 and the most recent in December 2024. Masashi Okada ranks #201,324 of 4,157,543 US inventors in our database (top 4.8%). Patent records list Masashi Okada in Osaka, JP.

Patents per Year

Patents granted per year, 1982 to 2024Bar chart with a peak of 2 patents in 1985.peak 21982: 1 patents19821985: 2 patents1986: 2 patents19861994: 2 patents2002: 1 patents20022003: 2 patents2005: 1 patents20052013: 1 patents2014: 1 patents20142016: 1 patents2017: 1 patents20172018: 2 patents2019: 1 patents20192022: 1 patents2023: 1 patents20232024: 1 patents2024

Issued Patents All Time

Showing 1–21 of 21 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12165902 Substrate bonding apparatus and substrate bonding method Hajime MITSUISHI, Isao Sugaya, Atsushi Kamashita, Minoru Fukuda, Hidehiro Maeda 2024-12-10 $13,394,000
11651282 Learning method for learning action of agent using model-based reinforcement learning — 2023-05-16
11282215 Object tracking method and recording medium Shinji Takenaka 2022-03-22
10230889 Unmanned aerial vehicle and control method — 2019-03-12
10101741 Unmanned aerial vehicle, control method, and recoding medium — 2018-10-16
10026768 Detector, detector with lock-in amplifier, substrate, and method for manufacturing a detector Osamu SARUWATARI, Shigeru Aoki, Kazuya Okamoto, Isao Sugaya, Hiroshi Ohki 2018-07-17
9852651 Practice support device and practice support method for wind instrument performer — 2017-12-26
9403740 Process for separation and recovery of olefin from mixture of paraffin and olefin Ken-ichi Sawamura, Kentaro Shinoya, Mai Tani, Suguru Fujita 2016-08-02
8796905 Motor device, method of manufacturing motor device, and robot device Takashi Nagase, Akimitsu Ebihara 2014-08-05
8441171 Motor device, method of manufacturing motor device, and robot device Akimitsu Ebihara 2013-05-14
6849197 Ice thermal storage medium Koji Matsumoto 2005-02-01
6637273 Methods and apparatus for measuring stress of membrane regions of segmented microlithographic mask blanks — 2003-10-28
6563570 Apparatus for evaluating a sample including a self-supporting thin film — 2003-05-13
6407385 Methods and apparatus for removing particulate foreign matter from the surface of a sample — 2002-06-18
5369183 Composite and molding from the composite Tetsuo Maeda, Kenji Nakamura, Kenichi Hibino 1994-11-29
RE34634 Light illumination device Kunio Konno 1994-06-07
4624551 Light irradiation control method for projection exposure apparatus Satoru Anzai 1986-11-25
4563290 Water-soluble copolymers useful for enhanced oil recovery Kimihiko Noda, Masami Shikata 1986-01-07
4529447 Sizing composition Yasushi Nishigakiuchi, Yoichi Tominaga 1985-07-16
4497015 Light illumination device Kunio Konno 1985-01-29
4311904 Automatic focus adjusting device Yuji Akiyama, Takaharu Kawada, Atsushi Kawahara 1982-01-19

Frequent Collaborators

Isao Sugaya2 shared
Kunio Konno2 shared
Akimitsu Ebihara2 shared
Kazuya Okamoto1 shared
Shigeru Aoki1 shared
Tetsuo Maeda1 shared

Nearby-Ranked Inventors

Subhash Sankuratripati21
Brian Riordan21
Woongki Min21
Jeremy Cailleteau21
Shigeru Chiba21
Cecilia Carbonelli21
Pin-Wen Chen21
Michael Danz21
Paul Kolen21