Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Toshio Tsuchiya — 30 Patents

DIDisco: 9 patents #67 of 708Top 10%
Hitachi: 8 patents #5,193 of 28,497Top 20%
Honda Motor Co.: 7 patents #3,151 of 21,052Top 15%
JCJapan Marine Science And Technology Center: 1 patents #10 of 37Top 30%
LOLonseal: 1 patents #11 of 37Top 30%
OCOki Electric Industry Co.: 1 patents #1,459 of 2,807Top 55%
TKToshiba Kikai: 1 patents #381 of 713Top 55%
EXExabyte: 1 patents #43 of 104Top 45%
Tokyo, JP: #4,446 of 90,295 inventorsTop 5%
Overall (All Time): #121,623 of 4,157,543Top 3%
30 Patents All Time
Toshio Tsuchiya has been granted 30 US patents while listed as an inventor at Disco. The first was granted in 1980 and the most recent in June 2025. Toshio Tsuchiya ranks #121,623 of 4,157,543 US inventors in our database (top 2.9%). Patent records list Toshio Tsuchiya in Tokyo, JP.

Patents per Year

Patents granted per year, 1980 to 2025Bar chart with a peak of 3 patents in 1983.peak 31980: 1 patents19801981: 1 patents1983: 3 patents19831984: 1 patents1987: 1 patents19871988: 1 patents1989: 2 patents19891991: 1 patents1994: 2 patents19941999: 1 patents2000: 1 patents20002003: 1 patents2004: 2 patents20042006: 2 patents2008: 2 patents20082009: 2 patents2019: 1 patents20192021: 1 patents2023: 1 patents20232025: 3 patents2025

Issued Patents All Time

Showing 1–25 of 30 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12322638 Processing apparatus Yoshinori KAKINUMA, Yoshinobu Saito, Yukiyasu Masuda, Toshiyuki Yoshikawa, Masanobu Takenaka +1 more 2025-06-03
12221757 Watertight structure for flap gate and flap gate comprising same Tetsuo Onodera, Koji Sasayama 2025-02-11
12191138 Processing method of workpiece Toshiyuki Yoshikawa, Tomoyuki Hongo 2025-01-07
11764085 Processing apparatus Yukiyasu Masuda, Yoshikuni MIGIYAMA, Takashi UCHIHO, Ryosuke KUROSAWA, Toshiyuki Yoshikawa +6 more 2023-09-19
11090691 Cleaning method for cleaning frame unit Yukito Akutagawa, Kentaro Shiraga 2021-08-17
10211076 Wafer processing method Hitoshi Hoshino 2019-02-19
7601616 Wafer laser processing method Hiroshi Morikazu, Ryugo Oba, Yukio Morishige, Koji Yamaguchi 2009-10-13
7473866 Laser processing apparatus Yukio Morishige, Hiroshi Morikazu, Koichi Takeyama 2009-01-06
7408129 Laser beam machine with cylindrical lens system Hiroshi Morikazu, Tomoaki Endo, Koichi Takeyama 2008-08-05
7399682 Wafer processing method Toshiyuki Yoshikawa 2008-07-15
7092187 Magnetic recording and reproducing apparatus and method and thin film magnetic head used therein Kenkichi Inada, Akihisa Obata 2006-08-15 $115,000
7023635 Recording/reproducing apparatus Shigeru Yamazaki, Kemmei Masuda 2006-04-04 $107,000
6757123 Method and apparatus for cleaning a magneto-resistive head Kenmei Masuda, Hidekazu Takeda, Shigeru Yamazaki, Akihisa Obata, Kenkichi Inada +1 more 2004-06-29
6717761 Recording/reproducing apparatus Shigeru Yamazaki, Kemmei Masuda 2004-04-06 $304,000
6654194 High reliability magneto-resistive head cleaning system Kenmei Masuda, Hidekazu Takeda, Shigeru Yamazaki, Akihisa Obata, Kenkichi Inada +1 more 2003-11-25 $210,000
6108165 Rotary drum equipment and recording/reproducing equipment using the same Hideki Maruyama, Kenmei Masuda, Kuniaki Hirayama, Yoshio Uemura, Toshihiko Imachi +1 more 2000-08-22 $339,000
5997169 Control apparatus for manufacturing system and method of controlling therefor Yuzuru Watanabe 1999-12-07
5355351 Underwater low-frequency sound producer using a rare earth alloy Takashi Yoshikawa, Akiyoshi Kawamori, Hiroshi Kamata, Iwao Nakano, Yasutaka Amitani 1994-10-11 $20,000
5276574 Magnetic head Mitsuo Abe, Yukiko Ogura, Masakatsu Saito 1994-01-04 $56,000
5067038 Rotary magnetic head device having two different kinds of heads Mitsuo Abe, Nobuo Arai, Masumi Hisatomi, Hideo Zama 1991-11-19 $61,000
4878555 Air intake device for a vehicle engine Osamu Yasunaga, Kazuharu Wakusaka, Fumio Inomata 1989-11-07 $146,000
4799118 Thin film magnetic head Masamichi Yamada, Masaaki Kurebayashi, Masakatsu Saito, Hitoshi Yanagihara, Katsuo Konishi 1989-01-17 $93,000
4718510 Motor vehicle with improved coupling structure for speedometer cable Katsuhiko Ito 1988-01-12 $229,000
4708361 Suspension for off-road motor vehicles Minoru Takada 1987-11-24 $225,000
4430136 Process for preparing open-cell structure of vinyl chloride resin Syuichi Moriizumi, Hisashi Takeda, Akinori Arai 1984-02-07