Inventor · disambiguated record
Katsuhiro Nakamura
Also filed as: NAKAMURA KATSUHIRO
17 granted patents·648 citations·filing 1977–2003
95Inventor score
Files withHISAMITSU PHARMACEUTICAL CO6NEC CORP5NIPPON ELECTRIC CO3KOKUSAI DENSHIN DENWA CO LTD1SUMITOMO SPEC METALS1
Top patents by PatentIndex Score
17 records- 0195US4658292AEnciphering key distribution system for subscription TV broadcast or catv systemNEC CORP·Filed 1983·Granted Apr 14, 1987·122 cites·10 claims
- 0284US4105999AParallel-processing error correction systemNIPPON ELECTRIC CO·Filed 1977·Granted Aug 8, 1978·30 cites·6 claims
- 0382US4578800ASynchronization circuit for a Viterbi decoderYASUDA YUTAKA·Filed 1983·Granted Mar 25, 1986·31 cites·7 claims
- 0480US6006130AIontophoresis electrode and iontophoresis device using the electrodeHISAMITSU PHARMACEUTICAL CO·Filed 1995·Granted Dec 21, 1999·192 cites·2 claims
- 0576US4447672ADevice for encrypting each input data bit by at least one keying bit decided by a code pattern and a bit pattern of a predetermined number of preceding encrypted bitsNIPPON ELECTRIC CO·Filed 1981·Granted May 8, 1984·40 cites·24 claims
- 0671US4211996AError correction system for differential phase-shift-keyingNIPPON ELECTRIC CO·Filed 1978·Granted Jul 8, 1980·23 cites·3 claims
- 0770US4663500ACryptographic systemNEC CORP·Filed 1986·Granted May 5, 1987·38 cites·9 claims
- 0866US4527279ASynchronization circuit for a Viterbi decoderKOKUSAI DENSHIN DENWA CO LTD·Filed 1983·Granted Jul 2, 1985·17 cites·5 claims
- 0965US4553237AError-correction system for two-dimensional multilevel signalsNEC CORP·Filed 1983·Granted Nov 12, 1985·24 cites·9 claims
- 1053US5770221AFormulation for percutaneous administration for treating disturbance in micturitionHISAMITSU PHARMACEUTICAL CO·Filed 1995·Granted Jun 23, 1998·17 cites·8 claims
- 1151US4760599AData encryptorNEC CORP·Filed 1986·Granted Jul 26, 1988·12 cites·4 claims
- 1245US7200433B2Transdermal or transmucosal drug delivery deviceHISAMITSU PHARMACEUTICAL CO·Filed 2003·Granted Apr 3, 2007·1 cites·10 claims
- 1345US6411464B1Magnetic head including sliding member having bearing surface formed of protrusions with almost flat tipsSUMITOMO SPEC METALS·Filed 1999·Granted Jun 25, 2002·10 cites·14 claims
- 1445US5107504AMultilevel quadrature amplitude modulator capable of reducing a maximum amplitude of a multilevel quadrature amplitude modulated signal regardless of transmission data information or redundant informationNEC CORP·Filed 1989·Granted Apr 21, 1992·13 cites·8 claims
- 1544US6104950APlaster structure for iontophoresisHISAMITSU PHARMACEUTICAL CO·Filed 1995·Granted Aug 15, 2000·38 cites·26 claims
- 1638US6141582AIontophoresis system and its control process of currentHISAMITSU PHARMACEUTICAL CO·Filed 1996·Granted Oct 31, 2000·27 cites·10 claims
- 1734US6564092B1Transdermal or transmucosal drug delivery deviceHISAMITSU PHARMACEUTICAL CO·Filed 1998·Granted May 13, 2003·13 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →