P

Inventor

HATTORI KUNINORI

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

SAKAMAKI YOHEI

3 patents
US8588560B2Nov 19, 2013

Optical 90-degree hybrid circuit

SAKAMAKI YOHEI6 citations71
US8971677B2Mar 3, 2015

Optical 90-degree hybrid circuit

SAKAMAKI YOHEI4 citations70
US8649640B2Feb 11, 2014

Optical 90-degree hybrid circuit

SAKAMAKI YOHEI1 citations49

NIPPON TELEGRAPH & TELEPHONE

2 patents
US6304687B1Oct 16, 2001

Optical waveguide circuit, its manufacturing method and optical waveguide module having the optical waveguide circuit

NIPPON TELEGRAPH & TELEPHONE82 citations95
US7899279B2Mar 1, 2011

Optical delay line interferometer

NIPPON TELEGRAPH & TELEPHONE23 citations92

NASU YUSUKE

1 patent
US8150219B2Apr 3, 2012

Waveguide-type optical interferometer

NASU YUSUKE24 citations90