Inventor · disambiguated record
Hideharu Tokiwa
Also filed as: TOKIWA HIDEHARU
7 granted patents·184 citations·filing 1980–1989
87Inventor score
Files withKOKUSAI DENSHIN DENWA CO LTD7
Top patents by PatentIndex Score
7 records- 0186US4810054AFusion splicing method for optical fibersKOKUSAI DENSHIN DENWA CO LTD·Filed 1986·Granted Mar 7, 1989·57 cites·10 claims
- 0286US4729777AMethod and apparatus for manufacturing preform for fluoride glass fiberKOKUSAI DENSHIN DENWA CO LTD·Filed 1986·Granted Mar 8, 1988·36 cites·11 claims
- 0371US4720162ADevice for switching from one light source to anotherKOKUSAI DENSHIN DENWA CO LTD·Filed 1986·Granted Jan 19, 1988·36 cites·8 claims
- 0466US4674835AFluoride glass optical fiberKOKUSAI DENSHIN DENWA CO LTD·Filed 1985·Granted Jun 23, 1987·23 cites·2 claims
- 0554US4597786APurifying process of fluoride glassKOKUSAI DENSHIN DENWA CO LTD·Filed 1985·Granted Jul 1, 1986·15 cites·9 claims
- 0651US4925475AMethod and apparatus for manufacturing preform for fluoride glass fiberKOKUSAI DENSHIN DENWA CO LTD·Filed 1989·Granted May 15, 1990·10 cites·9 claims
- 0739US4320968AFault location system in an optical fiber transmission systemKOKUSAI DENSHIN DENWA CO LTD·Filed 1980·Granted Mar 23, 1982·7 cites·1 claims
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