Inventor · disambiguated record
Tamotsu Usami
Also filed as: USAMI TAMOTSU
25 granted patents·2 pending applications·780 citations·filing 1974–2016
96Inventor score
Top patents by PatentIndex Score
27 records- 0197US7113002B2Transmission cable structure for GHz frequency band signals and connector used for transmission of GHz frequency band signalsFUJIKURA LTD·Filed 2004·Granted Sep 26, 2006·234 cites·20 claims
- 0296US7446567B2Signal transmission apparatus and interconnection structureOTSUKA KANJI·Filed 2004·Granted Nov 4, 2008·199 cites·29 claims
- 0389US6476330B2Wiring substrate and process for producing the sameSANYO ELECTRIC CO·Filed 2000·Granted Nov 5, 2002·39 cites·5 claims
- 0489US3978248AMethod for manufacturing composite sintered structureHITACHI LTD·Filed 1974·Granted Aug 31, 1976·38 cites·19 claims
- 0588US4527730AWire bonding apparatusHITACHI LTD·Filed 1983·Granted Jul 9, 1985·68 cites·8 claims
- 0687US6670830B2Driver circuit, receiver circuit, and signal transmission bus systemOTSUKA KANJI·Filed 2001·Granted Dec 30, 2003·53 cites·74 claims
- 0783US7190188B2Signal transmission system, and signal transmission lineROHM CO LTD·Filed 2004·Granted Mar 13, 2007·36 cites·9 claims
- 0877US7791852B2Electrostatic discharge protection circuit and terminating resistor circuitFUJITSU MICROELECTRONICS LTD·Filed 2007·Granted Sep 7, 2010·7 cites·6 claims
- 0973US6630629B2Wiring substrateSANYO ELECTRIC CO·Filed 2002·Granted Oct 7, 2003·14 cites·13 claims
- 1071US6961229B2Electronic circuit deviceROHM CO LTD·Filed 2004·Granted Nov 1, 2005·9 cites·16 claims
- 1166US6975489B2Circuit structure and semiconductor integrated circuitRENESAS TECH CORP·Filed 2003·Granted Dec 13, 2005·7 cites·30 claims
- 1266US6373275B1Electronic device capable of greatly improving signal transmission speed in a bus wiring systemOTSUKA KANJI·Filed 1999·Granted Apr 16, 2002·33 cites·26 claims
- 1365US6914502B2Wiring structure for transmission line having grooved conductorsROHM CO LTD·Filed 2001·Granted Jul 5, 2005·8 cites·2 claims
- 1460US7173449B2Signal transmission systemOTSUKA KANJI·Filed 2003·Granted Feb 6, 2007·9 cites·11 claims
- 1560US6625005B2Semiconductor circuit device having power and ground lines adapted for high-frequency operationTOSHIBA KK·Filed 2001·Granted Sep 23, 2003·9 cites·23 claims
- 1658US7280385B2Semiconductor memory deviceROHM CO LTD·Filed 2006·Granted Oct 9, 2007·1 cites·11 claims
- 1755US10424514B2Method for manufacturing semiconductor substrateMTEC CORP·Filed 2016·Granted Sep 24, 2019·1 cites·14 claims
- 1853US6812742B2Electronic deviceOTSUKA KANJI·Filed 2002·Granted Nov 2, 2004·5 cites·23 claims
- 1952US6731153B2Semiconductor integrated circuit having switching transistors and varactorsOTSUKA KANJI·Filed 2001·Granted May 4, 2004·5 cites·8 claims
- 2049US7631422B2Method of manufacturing wiring substrate having terminated busesOTSUKA KANJI·Filed 2006·Granted Dec 15, 2009·0 cites·1 claims
- 2149US7295032B2High-speed signal transmission systemNAT INST OF ADVANCED IND SCIEN·Filed 2003·Granted Nov 13, 2007·3 cites·10 claims
- 2247US7116184B2Method of terminating bus, bus termination resistor, and wiring substrate having terminated buses and method of its manufactureRENESAS TECH CORP·Filed 2002·Granted Oct 3, 2006·2 cites·18 claims
- 2343US7872612B2Antenna apparatus utilizing aperture of transmission lineRENESAS ELECTRONICS CORP·Filed 2008·Granted Jan 18, 2011·0 cites·10 claims
- 2441US2011042120A1Wiring and composite wiringIBIDEN CO LTD·Filed 2009·Application pending·0 cites
- 2541US2002070825A1Wiring structure for transmission lineFiled 2002·Application pending·0 cites
- 2639US7446625B2Narrow impedance conversion deviceOTSUKA KANJI·Filed 2006·Granted Nov 4, 2008·0 cites·11 claims
- 2736US8217466B2High-speed semiconductor device and method for manufacturing the sameOTSUKA KANJI·Filed 2006·Granted Jul 10, 2012·0 cites·11 claims
Join the waitlist — get patent alerts
Get an alert when Tamotsu Usami 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 →