Inventor · disambiguated record
Tatsuo Kanetake
Also filed as: KANETAKE TATSUO
13 granted patents·1 pending application·257 citations·filing 1991–2009
93Inventor score
Files withHITACHI LTD13
Top patents by PatentIndex Score
14 records- 0185US5235449APolarizer with patterned diacetylene layer, method for producing the same, and liquid crystal display device including such polarizerHITACHI LTD·Filed 1991·Granted Aug 10, 1993·71 cites·19 claims
- 0278US7212526B2Method and apparatus for composing virtual links in a label switched networkHITACHI LTD·Filed 2002·Granted May 1, 2007·30 cites·27 claims
- 0374US6362905B1Optical crossconnect apparatus and optical transmission systemHITACHI LTD·Filed 1998·Granted Mar 26, 2002·36 cites·8 claims
- 0471US6643041B1Optical networkHITACHI LTD·Filed 1999·Granted Nov 4, 2003·35 cites·28 claims
- 0569US7522592B2Packet transfer unitHITACHI LTD·Filed 2004·Granted Apr 21, 2009·11 cites·22 claims
- 0664US6813445B2Optical crossconnect apparatus and optical transmission systemHITACHI LTD·Filed 2002·Granted Nov 2, 2004·6 cites·6 claims
- 0760US7924833B2Packet transfer unitHITACHI LTD·Filed 2009·Granted Apr 12, 2011·1 cites·4 claims
- 0860US5710847ASemiconductor optical functional deviceHITACHI LTD·Filed 1996·Granted Jan 20, 1998·23 cites·13 claims
- 0956US7379456B2Network routing apparatusHITACHI LTD·Filed 2004·Granted May 27, 2008·4 cites·18 claims
- 1054US6304346B1Fault restoration control method and it's apparatus in a communication networkHITACHI LTD·Filed 1998·Granted Oct 16, 2001·18 cites·6 claims
- 1149US6317230B1Optical cross-connect system and optical transmission systemHITACHI LTD·Filed 1998·Granted Nov 13, 2001·14 cites·15 claims
- 1247US7272314B2Optical crossconnect apparatus and optical transmission systemHITACHI LTD·Filed 2004·Granted Sep 18, 2007·0 cites·2 claims
- 1343US2001033403A1Optical cross-connect system and optical transmission systemFiled 2001·Application pending·0 cites
- 1438US5351320AOptical modulator depressing optical feedback and optical modulating element and channel optical waveguide used thereforeHITACHI LTD·Filed 1993·Granted Sep 27, 1994·8 cites·9 claims
Join the waitlist — get patent alerts
Get an alert when Tatsuo Kanetake files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →