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Kozo Matake — 14 Patents

EBEbara: 14 patents #147 of 1,611Top 10%
EDEbara Densan: 2 patents #13 of 31Top 45%
Yokohama, JP: #7,549 of 49,234 inventorsTop 20%
Overall (All Time): #332,869 of 4,157,543Top 9%
14 Patents All Time
Kozo Matake has been granted 14 US patents while listed as an inventor at Ebara. The first was granted in 1987 and the most recent in January 2024. Kozo Matake ranks #332,869 of 4,157,543 US inventors in our database (top 8.0%). Patent records list Kozo Matake in Yokohama, JP.

Patents per Year

Patents granted per year, 1987 to 2024Bar chart with a peak of 3 patents in 1998.peak 31987: 1 patents19871989: 1 patents1993: 1 patents19931998: 3 patents1999: 1 patents19992001: 1 patents2002: 1 patents20022004: 1 patents2005: 1 patents20052008: 1 patents2012: 1 patents20122024: 1 patents2024

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11863025 Resin molded rotor, canned motor, canned motor pump, fan scrubber, and vacuum pump apparatus Takanori Inada 2024-01-02 $10,021,000
8251678 Vacuum pump unit Takashi Hozumi, Nobuhito Miyashita, Takanori Inada, Yoshinori Ojima, Susumu Miyake +1 more 2012-08-28
7338266 Screw pump and method of operating the same Nobuhito Miyashita 2008-03-04
6902380 Vacuum pump with pump rotor pairs and permanent magnet motor Yoshinori Ojima, Takanori Inada, Kiyoshi Yanagisawa 2005-06-07
6761542 Multishaft electric motor and positive-displacement pump combined with such multishaft electric motor Yoshinori Ojima, Genichi Sato, Yasushi Hisabe, Masami Nagayama, Katsuaki Usui +1 more 2004-07-13
6447271 Multishaft electric motor and positive-displacement pump combined with such multishaft electric motor Yoshinori Ojima, Genichi Sato, Yasushi Hisabe, Masami Nagayama, Katsuaki Usui +1 more 2002-09-10
6183218 Multishaft electric motor and positive-displacement pump combined with such multishaft electric motor Yoshinori Ojima, Genichi Sato, Yasushi Hisabe, Masami Nagayama, Katsuaki Usui +1 more 2001-02-06
5923108 Canned motor Akira Suzuki 1999-07-13
5846062 Two stage screw type vacuum pump with motor in-between the stages Kiyoshi Yanagisawa, Yoshinori Ojima, Yasushi Hisabe 1998-12-08
5814913 Multishaft electric motor and positive-displacement pump combined with such multishaft electric motor Yoshinori Ojima, Genichi Sato, Yasushi Hisabe, Masami Nagayama, Katsuaki Usui +1 more 1998-09-29
5779453 Vacuum pump motor arrangement having reduced heat generation Masami Nagayama, Katsuaki Usui, Yoshinori Ojima, Genichi Sato, Yasushi Hisabe 1998-07-14
5209579 Thrust bearing device — 1993-05-11
4886378 Thrust bearing device — 1989-12-12
4636672 Submersible motor Minoru Iwata 1987-01-13

Frequent Collaborators

Yoshinori Ojima8 shared
Yasushi Hisabe6 shared
Katsuaki Usui6 shared
Genichi Sato5 shared
Masami Nagayama5 shared
Hiroaki Ogamino4 shared

Nearby-Ranked Inventors

Ke PAN14
Naor Radami14
Jason Harris14
Gwangjae Jeon14
Masao Zen14
Yoshihiro YAMASAKI14
Sanjay Vakil14
Samuel Bartlett14
Taketoshi Okuno14