P

Inventor

IWAMA YASUSHI

JP6 patents
⚠️ This page may combine multiple inventors who share the name “IWAMA YASUSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NIPPO SANGYO

4 patents
US5829239ANov 3, 1998

Spinning ring structure

NIPPO SANGYO4 citations61
US5819519AOct 13, 1998

Spinning ring

NIPPO SANGYO2 citations58
US5918454AJul 6, 1999

Spinning ring structure with an aerodynamic brake member

NIPPO SANGYO1 citations51
US5881546AMar 16, 1999

Spinning ring

NIPPO SANGYO0 citations47

HOWA MACHINERY LTD

1 patent
US5970698AOct 26, 1999

Rotary spinning ring structure

HOWA MACHINERY LTD3 citations57

NIPPON LTD

1 patent
US6047533AApr 11, 2000

Spinning ring

NIPPON LTD2 citations52