Inventor · disambiguated record
Yasutake Ohishi
Also filed as: OHISHI YASUTAKE
15 granted patents·352 citations·filing 1989–2004
95Inventor score
Top patents by PatentIndex Score
15 records- 0189US5309452APraseodymium laser systemUNIV RUTGERS·Filed 1992·Granted May 3, 1994·53 cites·81 claims
- 0288US6417963B1Optical fiber splicing structureNIPPON TELEGRAPH & TELEPHONE·Filed 2001·Granted Jul 9, 2002·30 cites·10 claims
- 0388US5071460AProcess for the preparation of fluoride glass and process for the preparation of optical fiber preform using the fluoride glassNIPPON TELEGRAPH & TELEPHONE·Filed 1989·Granted Dec 10, 1991·36 cites·28 claims
- 0484US6356387B1Tellurite glass, optical amplifier, and light sourceNIPPON TELEGRAPH & TELEPHONE·Filed 2000·Granted Mar 12, 2002·23 cites·15 claims
- 0577US6278719B1Lasers, optical amplifiers, and amplification methodsNIPPON TELEGRAPH & TELEPHONE·Filed 2000·Granted Aug 21, 2001·12 cites·5 claims
- 0677US5668659AOptical fibers for optical amplifiersNIPPON TELEGRAPH & TELEPHONE·Filed 1995·Granted Sep 16, 1997·44 cites·4 claims
- 0772US6236496B1Optical fiber amplifier and optical amplification methodNIPPON TELEGRAPH & TELEPHONE·Filed 1997·Granted May 22, 2001·36 cites·35 claims
- 0867US6373863B1Yitterbium laser systemUNIV RUTGERS·Filed 1997·Granted Apr 16, 2002·24 cites·21 claims
- 0966US6266181B1Tellurite glass, optical amplifier, and light sourceNIPPON TELEGRAPH & TELEPHONE·Filed 1998·Granted Jul 24, 2001·22 cites·34 claims
- 1062US6912083B2ASE light source, optical amplifier and laser oscillatorNTT ELECTRONICS CORP·Filed 2004·Granted Jun 28, 2005·7 cites·27 claims
- 1162US5351335AOptical fiber for optical amplifierNIPPON TELEGRAPH & TELEPHONE·Filed 1992·Granted Sep 27, 1994·18 cites·23 claims
- 1261US5486947AOptical fiber for optical amplifierNIPPON TELEGRAPH & TELEPHONE·Filed 1994·Granted Jan 23, 1996·16 cites·46 claims
- 1351US6205164B1Lasers, optical amplifiers, and amplification methodsNIPPON TELEGRAPH & TELEPHONE·Filed 1997·Granted Mar 20, 2001·13 cites·20 claims
- 1446US5145508AMethod of making fluoride glass using barium β-diketonesNIPPON TELEGRAPH & TELEPHONE·Filed 1991·Granted Sep 8, 1992·9 cites·17 claims
- 1541US5774620AFluoride glass fiberNIPPON TELEGRAPH & TELEPHONE·Filed 1997·Granted Jun 30, 1998·9 cites·11 claims
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