MO

Masakatsu Okaya

HC Hitachi Industrial Equipment Systems Co.: 6 patents #76 of 550Top 15%
Overall (All Time): #789,920 of 4,157,543Top 20%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
12092113 Heat recovery device Takehiro MATSUZAKA 2024-09-17
11859605 Compressor system, and control method for same Takehiro MATSUZAKA 2024-01-02
10316841 Compressor, oil-free screw compressor, and method of manufacturing casing used therefor Yukiko Ikeda, Yuuichi Yanagase 2019-06-11
9944880 Oil-free screw compressor coated with a base resin, a solid lubricant and a heat-resistant additive Yukiko Ikeda, Kazuaki Shiinoki, Natsuki Kawabata, Masahiro Kawamura, Iwao Aoki 2018-04-17
9328731 Oil free compressor system Toshiaki Yabe, Natsuki Kawabata, Kohei Sakai 2016-05-03
8801412 Screw compressor Yukiko Ikeda, Kazuaki Shiinoki, Natsuki Kawabata, Masahiro Kawamura, Iwao Aoki 2014-08-12