P

Inventor

WATANABE KOUZOU

JP11 patents
⚠️ This page may combine multiple inventors who share the name “WATANABE KOUZOU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HITACHI LTD

6 patents
US5280228AJan 18, 1994

Inverter circuit

HITACHI LTD115 citations98
US4692643ASep 8, 1987

Semiconductor switching device having plural MOSFET's, GTO's or the like connected in series

HITACHI LTD114 citations96
US5351182ASep 27, 1994

Level shift circuit and inverter apparatus using the same

HITACHI LTD26 citations92
US6544839B1Apr 8, 2003

Semiconductor integrated circuit device and a method of manufacturing the same

HITACHI LTD10 citations73
US5216587AJun 1, 1993

Inverter

HITACHI LTD20 citations73
US4012679AMar 15, 1977

Method and apparatus for controlling the operation of synchronous motor

HITACHI LTD18 citations73

WATANABE KOUZOU

2 patents
US4909388AMar 20, 1990

Compressed roll paper, method of and apparatus for producing same

WATANABE KOUZOU45 citations90
US4762061AAug 9, 1988

Method of producing compressed roll of paper

WATANABE KOUZOU31 citations90

RENESAS TECH CORP

2 patents
US7524729B2Apr 28, 2009

Method of manufacturing a semiconductor integrated circuit device having a trench

RENESAS TECH CORP0 citations51
US6967141B2Nov 22, 2005

Method of manufacturing a semiconductor integrated circuit device having a trench

RENESAS TECH CORP0 citations51

RAILWAY TECHNICAL RES INST

1 patent
US6722589B1Apr 20, 2004

Slip prevention particle injection device

RAILWAY TECHNICAL RES INST10 citations69