Inventor

FUJIMOTO SHIGEKAZU

JP3 patents

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

DAINIPPON PRINTING CO LTD

2 patents

US6876792B2Apr 5, 2005

Phase mask for forming diffraction grating, and optical fiber and optical waveguide having diffraction grating duplicated using the phase mask

DAINIPPON PRINTING CO LTD2 citations59

US7070907B2Jul 4, 2006

Substrate having character/symbol section and processing method of character/symbol section

DAINIPPON PRINTING CO LTD4 citations58

NIPPON TELEGRAPH & TELEPHONE

1 patent

US7153613B2Dec 26, 2006

Process for the fabrication of a phase mask for optical fiber processing, optical fiber-processing phase mask, optical fiber with a Bragg grating, and dispersion compensating device using the optical fiber

NIPPON TELEGRAPH & TELEPHONE0 citations48