NK

Nobuyuki Kitajima

YA Yamashin-Filter: 19 patents #1 of 23Top 5%
TC Toppan Printing Co.: 2 patents #414 of 1,467Top 30%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
Overall (All Time): #187,368 of 4,157,543Top 5%
22
Patents All Time

Issued Patents All Time

Showing 1–22 of 22 patents

Patent #TitleCo-InventorsDate
12233358 Filter device Nobuki Sasaki 2025-02-25
12214306 Filter device Mitsunobu Okamoto, Mitsuhiro Yamaguchi 2025-02-04
12194397 Measurement unit and filter device Nobuki Sasaki 2025-01-14
12145084 Filter element and filter device 2024-11-19
12129879 Suction strainer Shigeru Hashimoto 2024-10-29
12025085 Tank device Mitsunobu Okamoto 2024-07-02
12025526 Differential pressure detection device Nobuki Sasaki, Megumi Nomoto 2024-07-02
11850538 Filter life predicting apparatus Nobuki Sasaki 2023-12-26
11541338 Filter device Mitsuhiro Yamaguchi 2023-01-03
11511934 Tank device Makoto Ishizuka 2022-11-29
11504661 Filter device Youichi NODOMI 2022-11-22
11406920 Filter device 2022-08-09
11305215 Filter device Mitsuhiro Yamaguchi 2022-04-19
11052336 Filter device Mitsuhiro Yamaguchi 2021-07-06
10926207 Filter device Nobuki Sasaki 2021-02-23
10821377 Filter device Nobuki Sasaki, Yoshinori Tsurusaki 2020-11-03
10702808 Filter device and filtration device Mitsunobu Okamoto 2020-07-07
10350527 Filter device and filtration device Yoshinori Tsurusaki 2019-07-16
10060776 Differential pressure sensor, and filtration device used therewith Jiro Inoue, Nobuki Sasaki, Hiroshi Inaba 2018-08-28
8686463 Capping system 2014-04-01
4521355 Method of producing ceramic ware Yoshinori Tachibana, Asashi Muraki, Shinichi Kuzuoka 1985-06-04
4421599 Fibrous materials Shinichi Kuzuoka, Yoshinori Tachibana, Goro Saito 1983-12-20