Inventor
TAKANO TOSHIHIKO
JP13 patents
⚠️ This page may combine multiple inventors who share the name “TAKANO TOSHIHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUBISHI GAS CHEMICAL CO
9 patentsUS5345329ASep 6, 1994
Polarization-independent optical isolator
MITSUBISHI GAS CHEMICAL CO46 citations92
US5916402AJun 29, 1999
Method for manufacturing optical element
MITSUBISHI GAS CHEMICAL CO2 citations61
US6636660B2Oct 21, 2003
Monochrometer and wavelength division multiplexer comprising said monochrometer
MITSUBISHI GAS CHEMICAL CO4 citations60
US5923800AJul 13, 1999
Optical waveguide module having main-line waveguide and branch waveguides, and optical transmission device including such optical waveguide module
MITSUBISHI GAS CHEMICAL CO2 citations58
US6295150B1Sep 25, 2001
Wavelength division multiplexing device
MITSUBISHI GAS CHEMICAL CO1 citations51
US9784895B2Oct 10, 2017
Colored low-polarizing films, colored low-polarizing sheets, and colored low-polarizing lenses, and methods thereof
MITSUBISHI GAS CHEMICAL CO1 citations48
US9618658B2Apr 11, 2017
Functional sheet with protective films
MITSUBISHI GAS CHEMICAL CO1 citations48
US10564325B2Feb 18, 2020
Protective film-attached functional sheet
MITSUBISHI GAS CHEMICAL CO0 citations41
US9897823B2Feb 20, 2018
Colored polarizing films, colored polarizing sheets, and colored polarizing lenses, and methods thereof
MITSUBISHI GAS CHEMICAL CO0 citations37