P

Inventor

AOYAGI TAKUO

JP17 patents
⚠️ This page may combine multiple inventors who share the name “AOYAGI TAKUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NIHON KOHDEN CORP

15 patents
US5385143AJan 31, 1995

Apparatus for measuring predetermined data of living tissue

NIHON KOHDEN CORP486 citations99
US6671526B1Dec 30, 2003

Probe and apparatus for determining concentration of light-absorbing materials in living tissue

NIHON KOHDEN CORP289 citations98
US5999841ADec 7, 1999

Apparatus for measuring circulating blood volume

NIHON KOHDEN CORP103 citations98
US5720284AFeb 24, 1998

Apparatus for measuring hemoglobin

NIHON KOHDEN CORP206 citations98
US5278627AJan 11, 1994

Apparatus for calibrating pulse oximeter

NIHON KOHDEN CORP483 citations98
US4832484AMay 23, 1989

Apparatus for determining the concentration of a light-absorbing material in blood

NIHON KOHDEN CORP219 citations98
US5666952ASep 16, 1997

Tissue transmitted light sensor

NIHON KOHDEN CORP133 citations97
US6230035B1May 8, 2001

Apparatus for determining concentrations of light-absorbing materials in living tissue

NIHON KOHDEN CORP345 citations96
US5766125AJun 16, 1998

Apparatus for determining the concentration of light-absorbing materials in blood

NIHON KOHDEN CORP139 citations96
US5697371ADec 16, 1997

Apparatus for measuring circulating blood volume

NIHON KOHDEN CORP80 citations96
US5690104ANov 25, 1997

Apparatus and method for measuring oxygen saturation in blood and apparatus and method for measuring concentration of light-absorbing materials in blood

NIHON KOHDEN CORP78 citations96
US5190040AMar 2, 1993

Apparatus for measuring the change in the concentration of a pigment in blood

NIHON KOHDEN CORP100 citations96
US5313940AMay 24, 1994

Photo-electric pulse wave measuring probe

NIHON KOHDEN CORP239 citations95
US7206621B2Apr 17, 2007

Pulse oximeter

NIHON KOHDEN CORP36 citations92
US8024021B2Sep 20, 2011

Time-segmented pulse oximetry and pulse oximeter performing the same

NIHON KOHDEN CORP1 citations52

MIYASAKA KATSUYUKI

1 patent

AOYAGI TAKUO

1 patent