Inventor

HIRAKAWA YUTAKA

JP3 patents

⚠️ This page may combine multiple inventors who share the name “HIRAKAWA YUTAKA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

EBARA CORP

1 patent

US5618167AApr 8, 1997

Vacuum pump apparatus having peltier elements for cooling the motor & bearing housing and heating the outer housing

EBARA CORP47 citations89

HIRAKAWA YUTAKA

1 patent

US8307424B2Nov 6, 2012

Password authentication apparatus and password authentication method

HIRAKAWA YUTAKA8 citations73

MITSUBISHI ELECTRIC CORP

1 patent

US9915465B2Mar 13, 2018

Heat pump compressor including liquid crystal polymer insulating material

MITSUBISHI ELECTRIC CORP0 citations38

HIRAKAWA YUTAKA

EBARA CORP

Vacuum pump apparatus having peltier elements for cooling the motor &amp; bearing housing and heating the outer housing

HIRAKAWA YUTAKA

Password authentication apparatus and password authentication method

MITSUBISHI ELECTRIC CORP

Heat pump compressor including liquid crystal polymer insulating material

Vacuum pump apparatus having peltier elements for cooling the motor & bearing housing and heating the outer housing