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Masayuki Kouketsu — 36 Patents

CKCkd: 33 patents #1 of 332Top 1%

ECEbara Refrigeration Equipment & Systems Co.: 4 patents #2 of 17Top 15%

EBEbara: 3 patents #598 of 1,611Top 40%

CDCdk: 2 patents #1 of 19Top 6%

NINikon: 1 patents #1,647 of 2,493Top 70%

Miyoshi, JP: #53 of 2,464 inventorsTop 3%

Overall (All Time): #92,222 of 4,157,543Top 3%

36 Patents All Time

Masayuki Kouketsu has been granted 36 US patents while listed as an inventor at Ckd. The first was granted in 2000 and the most recent in January 2025. Masayuki Kouketsu ranks #92,222 of 4,157,543 US inventors in our database (top 2.2%). Patent records list Masayuki Kouketsu in Miyoshi, JP.

Patents per Year

Issued Patents All Time

Showing 1–25 of 36 patents

Patent #	Title	Co-Inventors	Date
12188566	Four-way valve, valve unit, temperature control system	Akihiro Ito, Hiroki Doi, Masaya Yamauchi	2025-01-07
11796247	Temperature control system	Akihiro Ito, Norio Kokubo, Isahiro Hasegawa, Toshiharu Nakazawa, Keisuke Takanashi +1 more	2023-10-24
11788777	Temperature control system and integrated temperature control system	Akihiro Ito, Norio Kokubo, Isahiro Hasegawa, Toshiharu Nakazawa, Keisuke Takanashi +1 more	2023-10-17
11703284	Temperature control system and integrated temperature control system	Akihiro Ito, Norio Kokubo, Isahiro Hasegawa, Toshiharu Nakazawa, Keisuke Takanashi +1 more	2023-07-18
11656016	Cooling system that comprises multiple cooling apparatus and reduces power consumption	Akihiro Ito, Norio Kokubo, Isahiro Hasegawa, Toshiharu Nakazawa, Keisuke Takanashi +1 more	2023-05-23
11566723	Flow path switching valve and manufacturing method therefor	Akihiro Ito, Keiichi Nishikawa, Yasuhisa Hirose, Takahiro Minatani	2023-01-31
11268628	Electromagnetic actuator	Akihiro Ito, Masaya Yamauchi, Toshikazu Tsuruga	2022-03-08
10907748	Flow path switching valve and manufacturing method therefor	Akihiro Ito, Keiichi Nishikawa, Yasuhisa Hirose, Takahiro Minatani	2021-02-02
10832853	Coil and coil production method	Akihiro Ito, Hideki Goda, Takashi Tasaki, Kazuhiro Izumoto	2020-11-10
10344887	Electromagnetic actuator	Akihiro Ito	2019-07-09
10121590	Coil sheet production method, and coil production method	Akihiro Ito, Takashi Yamaguchi, Takeshi Fukuda	2018-11-06
10043609	Cooling structure for electromagnetic coil, and electromagnetic actuator	Akihiro Ito, Shigeru Morimoto, Hiromitsu Yoshimoto, Koji Tanaka	2018-08-07
9508476	Electromagnetic coil, method of manufacturing electromagnetic coil, and electromagnetic actuator	Akihiro Ito, Kazutoshi Itoh, Takashi Hosono, Sadayoshi MUTO	2016-11-29
9266130	Liquid control apparatus	Hiroshi Itafuji	2016-02-23
9243720	Coupling apparatus for chemical fluid flow channel	Hiroshi Itafuji	2016-01-26
9234595	Vacuum control valve and vacuum control apparatus	Hiroshi Itafuji	2016-01-12
9234586	Linear actuator and vacuum control device	Hiroshi Itafuji	2016-01-12
D742493	Vaporization device for a vaporization unit of a liquid control apparatus	Hiroshi Itafuji, Masayo Okada	2015-11-03
D742494	Vaporization device for a vaporization unit of a liquid control apparatus	Hiroshi Itafuji, Masayo Okada	2015-11-03
9127359	Liquid vaporizer	Hiroshi Itafuji	2015-09-08
D736901	Vaporization device for a vaporization unit of a liquid control apparatus	Hiroshi Itafuji, Masayo Okada	2015-08-18
9031391	Woven mesh form liquid control apparatus	Hiroshi Itafuji	2015-05-12
9022366	Liquid control device and mesh-like body assembly applied thereto	Hiroshi Itafuji, Masayo Okada	2015-05-05
9010736	Liquid control apparatus	Hiroshi Itafuji	2015-04-21
8840049	Liquid ejecting apparatus	Hiroshi Itafuji	2014-09-23