P

Inventor

SAITO KOHICHI

JP7 patents
⚠️ This page may combine multiple inventors who share the name “SAITO KOHICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HITACHI LTD

5 patents
US4880474ANov 14, 1989

Method and apparatus for operating vacuum cleaner

HITACHI LTD125 citations96
US5294872AMar 15, 1994

Method and apparatus for operating vacuum cleaner

HITACHI LTD25 citations92
US5166585ANov 24, 1992

Motor control apparatus for an electric vacuum cleaner

HITACHI LTD28 citations92
US4983895AJan 8, 1991

Method and apparatus for operating vacuum cleaner

HITACHI LTD25 citations92
US5075607ADec 24, 1991

Method and apparatus for operating vacuum cleaner

HITACHI LTD10 citations73

SEIKO EPSON CORP

2 patents
US5979541ANov 9, 1999

Cooling fan and cooling fan assembly

SEIKO EPSON CORP109 citations96
US6060807AMay 9, 2000

Rotating shaft support member and small motor

SEIKO EPSON CORP7 citations72