TU

Tetsuzo Ukai

Mitsubishi Electric: 3 patents #8,691 of 25,717Top 35%
MM Mitsubishi Mining: 3 patents #285 of 2,247Top 15%
📍 Ebeye: #872 of 4,528 inventorsTop 20%
Overall (All Time): #854,259 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
9145770 Scroll compressor with stepped spiral wraps Hirohumi Hirata, Hiroshi Yamazaki, Takahide Ito 2015-09-29
8714950 Scroll compressor having tip seals of different lengths having different thickness or widths Tomohisa Moro, Norio Hioki, Koji Terasaki, Koryo Shibahara, Katsuhiro Fujita +1 more 2014-05-06
7344365 Scroll compressor with bypass holes communicating with an intake chamber Makoto Takeuchi, Masaaki Tokuda 2008-03-18
5765999 Scroll type fluid machine having spiral wraps formed in a step-like shape Takahide Ito, Yukio Nagato 1998-06-16
5727934 Scroll type fluid machine having a thin plate for each scroll Masumi Sekita, Makoto Takeuchi, Yasuharu Maruiwa, Tetsuo Shigeoka, Mikihiko Ishii 1998-03-17
5316454 Fluid pump and rotary machine having said fluid pump Makoto Fujitani, Yukio Nagato, Kimiharu Takeda, Katsumi Hirooka, Toshiyuki Shikanai 1994-05-31