Inventor
IDO TATEMI
JP34 patents
⚠️ This page may combine multiple inventors who share the name “IDO TATEMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
23 patentsUS6236784B1May 22, 2001
Y branching optical waveguide and optical integrated circuit
HITACHI LTD74 citations96
US5574289ANov 12, 1996
Semiconductor optical integrated device and light receiver using said device
HITACHI LTD60 citations96
US6356692B1Mar 12, 2002
Optical module, transmitter, receiver, optical switch, optical communication unit, add-and-drop multiplexing unit, and method for manufacturing the optical module
HITACHI LTD64 citations94
US6229949B1May 8, 2001
Polymer optical waveguide, optical integrated circuit, optical module and optical communication apparatus
HITACHI LTD72 citations94
US6739764B2May 25, 2004
Optical module and optical communication system
HITACHI LTD35 citations92
US5724462AMar 3, 1998
Integrated optical semiconductor device and optical gyroscope usinng the same
HITACHI LTD19 citations92
US7195699B2Mar 27, 2007
Electrophoresis member, production thereof and capillary electrophoresis apparatus
HITACHI LTD20 citations91
US6836492B2Dec 28, 2004
Laser-diode module, optical transceiver and fiber transmission system
HITACHI LTD24 citations91
US6671438B2Dec 30, 2003
Optical waveguide, optical module, and their fabrication method
HITACHI LTD24 citations90
US6111998AAug 29, 2000
Semiconductor optical device, fiber optical amplifier and optical transmission system
HITACHI LTD35 citations90
US7493092B2Feb 17, 2009
Wireless transceiver having plural transmission methods
HITACHI LTD15 citations84
US5742423AApr 21, 1998
Semiconductor optical modulator
HITACHI LTD18 citations84
US6744945B2Jun 1, 2004
Wavelength multiplexer and optical unit
HITACHI LTD13 citations82
US6868210B2Mar 15, 2005
Optical waveguide and their application of the optical communication system
HITACHI LTD9 citations74
US5666455ASep 9, 1997
Waveguide device
HITACHI LTD9 citations74
US5572616ANov 5, 1996
Waveguide device
HITACHI LTD12 citations74
US5570439AOct 29, 1996
Optical waveguide device and optical transmission system
HITACHI LTD14 citations74
US6445849B2Sep 3, 2002
Wavelength multiplexer and optical unit
HITACHI LTD9 citations71
US9379276B2Jun 28, 2016
Optical interconnection module and optical-electrical hybrid board
HITACHI LTD2 citations63
US5763897AJun 9, 1998
Non-uniform thickness or bandgap superlattice betweeen cladding layer and multi-quantum well structure of pin optical waveguide
HITACHI LTD3 citations63
US6810189B2Oct 26, 2004
Optical waveguide and method for preparing the same
HITACHI LTD6 citations61
US7736482B2Jun 15, 2010
Electrophoresis member, production thereof and capillary electrophoresis apparatus
HITACHI LTD0 citations51
US10502758B2Dec 10, 2019
Inertia sensor and method of manufacturing the same
HITACHI LTD0 citations41