Inventor

HIRAI YOSHIROU

JP6 patents

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

CITIZEN HOLDINGS CO LTD

2 patents

US9395692B2Jul 19, 2016

Hairspring material for mechanical timepiece and hairspring using the same

CITIZEN HOLDINGS CO LTD3 citations72

US7713480B2May 11, 2010

Heater coil for gas sensor, detection element for gas sensor, contact combustion type gas sensor, and method for manufacturing contact combustion type gas sensor

CITIZEN HOLDINGS CO LTD2 citations61

SONY CORP

2 patents

US6252341B1Jun 26, 2001

Impregnated cathode having varying surface porosity

SONY CORP13 citations71

US6425793B1Jul 30, 2002

Impregnated cathode and method of manufacturing same, electron gun and electron tube

SONY CORP4 citations60

TAKAHASHI IKUO

2 patents

US8257656B2Sep 4, 2012

Heater coil for gas sensor, detecting element for gas sensor, catalytic combustion gas sensor, and manufacturing method of catalytic combustion gas sensor

TAKAHASHI IKUO0 citations49

US8246913B2Aug 21, 2012

Heater coil for gas sensor, detecting element for gas sensor, catalytic combustion gas sensor, and manufacturing method of catalytic combustion gas sensor

TAKAHASHI IKUO0 citations49