Inventor
TOKUMITSU TSUNEO
JP25 patents
⚠️ This page may combine multiple inventors who share the name “TOKUMITSU TSUNEO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON TELEGRAPH & TELEPHONE
11 patentsUS6384785B1May 7, 2002
Heterogeneous multi-lamination microstrip antenna
NIPPON TELEGRAPH & TELEPHONE221 citations97
US5739560AApr 14, 1998
High frequency masterslice monolithic integrated circuit
NIPPON TELEGRAPH & TELEPHONE103 citations96
US5634208AMay 27, 1997
Multilayer transmission line using ground metal with slit, and hybrid using the transmission line
NIPPON TELEGRAPH & TELEPHONE67 citations94
US6150897ANov 21, 2000
Balun circuit with a cancellation element in each coupled line
NIPPON TELEGRAPH & TELEPHONE40 citations92
US5661437AAug 26, 1997
Negative feedback variable gain amplifier circuit
NIPPON TELEGRAPH & TELEPHONE52 citations92
US5973575AOct 26, 1999
Fully monolithic voltage controlled oscillator with wide tuning range
NIPPON TELEGRAPH & TELEPHONE34 citations91
US5652157AJul 29, 1997
Forming a gate electrode on a semiconductor substrate by using a T-shaped dummy gate
NIPPON TELEGRAPH & TELEPHONE22 citations91
US5639686AJun 17, 1997
Method of fabricating circuit elements on an insulating substrate
NIPPON TELEGRAPH & TELEPHONE29 citations91
US5546056AAug 13, 1996
Injection-locked oscillator having non-reciprocal four port network
NIPPON TELEGRAPH & TELEPHONE19 citations84
US5281769AJan 25, 1994
Dewall plating technique
NIPPON TELEGRAPH & TELEPHONE15 citations81
US5550068AAug 27, 1996
Process of fabricating a circuit element for transmitting microwave signals
NIPPON TELEGRAPH & TELEPHONE10 citations72
SUMITOMO ELECTRIC INDUSTRIES
6 patentsUS9543630B2Jan 10, 2017
Electronic device
SUMITOMO ELECTRIC INDUSTRIES15 citations82
US10476436B2Nov 12, 2019
Resonant unit, voltage controlled oscillator (VCO) implementing the same, and push-push oscillator implementing a pair of VCOs
SUMITOMO ELECTRIC INDUSTRIES3 citations73
US8975946B2Mar 10, 2015
Mixer
SUMITOMO ELECTRIC INDUSTRIES2 citations62
US10181629B2Jan 15, 2019
Marchand balun
SUMITOMO ELECTRIC INDUSTRIES1 citations61
US10090816B2Oct 2, 2018
Current reuse amplifier
SUMITOMO ELECTRIC INDUSTRIES1 citations51
US9197159B2Nov 24, 2015
Mixer
SUMITOMO ELECTRIC INDUSTRIES0 citations51