Inventor · disambiguated record
Yujiro Katoh
Also filed as: KATOH YUJIRO
2 granted patents·1 pending application·127 citations·filing 1982–2005
68Inventor score
Top patents by PatentIndex Score
3 records- 0189US4412902AMethod of fabrication of Josephson tunnel junctionNIPPON TELEGRAPH & TELEPHONE·Filed 1982·Granted Nov 1, 1983·93 cites·30 claims
- 0258US5905823APolarization independent optical nonreciprocal circuit based on even mode to odd mode conversionNIPPON TELEGRAPH & TELEPHONE·Filed 1997·Granted May 18, 1999·34 cites·11 claims
- 0337US2005207010A1Optical isolator and method of producing the sameNEC TOKIN CORP·Filed 2005·Application pending·0 cites
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