Inventor

TSUCHIYA AKIHIKO

JP15 patents

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

HITACHI LTD

3 patents

US7936992B2May 3, 2011

Apparatus of adjusting optical signal transmission timing

HITACHI LTD2 citations62

US9137158B2Sep 15, 2015

Communication apparatus and communication method

HITACHI LTD0 citations39

US9065862B2Jun 23, 2015

Communication device, method for controlling the communication device, and communication system

HITACHI LTD0 citations39

SEIKO EPSON CORP

2 patents

US8794732B2Aug 5, 2014

Media processing device, method of controlling a media processing device, and a storage medium

SEIKO EPSON CORP6 citations72

US12134264B2Nov 5, 2024

Printer and method of controlling the same

SEIKO EPSON CORP0 citations51

YOKOGAWA ELECTRIC CORP

2 patents

US6071382AJun 6, 2000

Sheet measurement and control system

YOKOGAWA ELECTRIC CORP8 citations65

US5722285AMar 3, 1998

Caliper sensor

YOKOGAWA ELECTRIC CORP2 citations62

KAZAWA TOHRU

2 patents

US8724995B2May 13, 2014

Passive optical network system and operating method thereof

KAZAWA TOHRU3 citations62

US8467684B2Jun 18, 2013

Apparatus of adjusting optical signal transmission timing

KAZAWA TOHRU2 citations62

MIZUTANI MASAHIKO

1 patent

US8428457B2Apr 23, 2013

Optical passive network system and its operation method

MIZUTANI MASAHIKO23 citations92

HITACHI COMM TECH LTD

1 patent

US7548694B2Jun 16, 2009

Apparatus of adjusting optical signal transmission timing

HITACHI COMM TECH LTD15 citations92

OHIRA MASAKI

1 patent

US8457492B2Jun 4, 2013

Optical access system

OHIRA MASAKI13 citations82

TSUCHIYA AKIHIKO

1 patent

US8107824B2Jan 31, 2012

Passive optical network system and communication method therefor

TSUCHIYA AKIHIKO13 citations79

SAKAMOTO NORIHIRO

1 patent

US8532491B2Sep 10, 2013

Optical multiplexing terminating device, passive optical network system and method for allocating wavelength

SAKAMOTO NORIHIRO4 citations60

TSUCHIYA NORIO

1 patent

US9004626B2Apr 14, 2015

Recording device, method of controlling a recording device, and a program

TSUCHIYA NORIO1 citations41