Inventor
KAMIYAMA HIROYUKI
JP10 patents
⚠️ This page may combine multiple inventors who share the name “KAMIYAMA HIROYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
OPNEXT JAPAN INC
5 patentsUS7409113B2Aug 5, 2008
Semiconductor electro-absorption optical modulator, semiconductor electro-absorption optical modulator integrated laser, optical transmitter module and optical module
OPNEXT JAPAN INC4 citations60
US7190872B2Mar 13, 2007
Semiconductor optical amplifier and optical module using the same
OPNEXT JAPAN INC5 citations60
US7127145B2Oct 24, 2006
Semiconductor optical amplifier, and optical module using the same
OPNEXT JAPAN INC5 citations60
US7833807B2Nov 16, 2010
Method of manufacturing semiconductor laser for communication, semiconductor laser for communication and optical transmission module
OPNEXT JAPAN INC0 citations43
US7875905B2Jan 25, 2011
Semiconductor optical receiver device, optical receiver module, and method for manufacturing semiconductor optical receiver device
OPNEXT JAPAN INC0 citations40
TOSHIBA KK
4 patentsUS6254079B1Jul 3, 2001
Sheet processing unit
TOSHIBA KK2 citations62
US7108648B2Sep 19, 2006
Bundled sheets processing apparatus
TOSHIBA KK2 citations58
US6637741B2Oct 28, 2003
Sheet processing unit
TOSHIBA KK1 citations51
US6905449B2Jun 14, 2005
Bundled sheets processing apparatus and bundled sheets processing method
TOSHIBA KK1 citations47