Inventor · disambiguated record
Fumiaki Hanawa
Also filed as: HANAWA FUMIAKI
7 granted patents·323 citations·filing 1977–2010
88Inventor score
Top patents by PatentIndex Score
7 records- 0197US4062665AContinuous optical fiber preform fabrication methodNIPPON TELEGRAPH & TELEPHONE·Filed 1977·Granted Dec 13, 1977·102 cites·14 claims
- 0292US4414012AFabrication methods of doped silica glass and optical fiber preform by using the doped silica glassNIPPON TELEGRAPH & TELEPHONE·Filed 1981·Granted Nov 8, 1983·45 cites·17 claims
- 0391US4367085AMethod of fabricating multi-mode optical fiber preformsNIPPON TELEGRAPH & TELEPHONE·Filed 1980·Granted Jan 4, 1983·45 cites·10 claims
- 0486US6304687B1Optical waveguide circuit, its manufacturing method and optical waveguide module having the optical waveguide circuitNIPPON TELEGRAPH & TELEPHONE·Filed 1998·Granted Oct 16, 2001·82 cites·28 claims
- 0574US8764313B2Optical connector plugARISHIMA KOICHI·Filed 2010·Granted Jul 1, 2014·6 cites·17 claims
- 0673US5327517AGuided-wave circuit module and wave-guiding optical component equipped with the moduleNIPPON TELEGRAPH & TELEPHONE·Filed 1992·Granted Jul 5, 1994·40 cites·22 claims
- 0749US7086789B2Optical element module with a primary coated optical fiberNTT ELECTRONICS CORP·Filed 2003·Granted Aug 8, 2006·3 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →