TT

Takehiro Takahashi

NC Nihon Dempa Kogyo Co.: 37 patents #3 of 296Top 2%
NS Nippon Steel: 30 patents #16 of 4,423Top 1%
HM Hitachi Maxell: 6 patents #147 of 1,211Top 15%
KY Kyulux: 5 patents #18 of 91Top 20%
HC Hodogaya Chemical Co.: 4 patents #86 of 359Top 25%
NM Nippon Steel & Sumitomo Metal: 4 patents #273 of 1,491Top 20%
MM Mitsubishi Mining: 4 patents #189 of 2,247Top 9%
IBM: 3 patents #26,272 of 70,183Top 40%
TS Toshiba Mitsubishi-Electric Industrial Systems: 3 patents #110 of 368Top 30%
Pioneer: 2 patents #761 of 1,730Top 45%
HI Hitachi: 2 patents #13,388 of 28,497Top 50%
HI Hirata: 1 patents #76 of 174Top 45%
📍 Tokyo, WA: #13 of 89 inventorsTop 15%
Overall (All Time): #15,998 of 4,157,543Top 1%
95
Patents All Time

Issued Patents All Time

Showing 76–95 of 95 patents

Patent #TitleCo-InventorsDate
8125283 Method of manufacturing crystal element and crystal resonator manufactured thereby 2012-02-28
8053952 Piezoelectric resonator with scattering-prevention film to prevent short-circuit of the excitation electrode 2011-11-08
7984536 Method of manufacturing a piezoelectric resonator 2011-07-26
7975364 Method for producing a tuning-fork type crystal vibrating piece 2011-07-12
7950120 Method for manufacturing piezoelectric resonator 2011-05-31
7803462 Titanium materials with coating layer, laminated glass using the same and methods of manufacturing the same Michio Kaneko, Hiroshi Osawa, Hiroshi Kanai 2010-09-28
7770275 Methods for manufacturing tuning-fork type piezoelectric vibrating devices 2010-08-10
7690095 Method for manufacturing quartz piece 2010-04-06
7596851 Method of manufacturing a quartz resonator 2009-10-06
7579762 Piezoelectric vibrating piece and piezoelectric vibrating device 2009-08-25
7570126 Tuning-fork type piezoelectric vibrating piece and oscillator 2009-08-04
6384502 Diskette incorporating permanent magnet generator Masahiro Masuzawa, Fumio Kimura, Toshiko Takahashi, Masahiro Mita, Kenichi Kitta 2002-05-07
5467475 Data collection-transmission apparatus and data collection system Kazuhiko Daito, Akihiro Kawaoka 1995-11-14
5406064 IC card and portable terminal 1995-04-11
5247164 IC card and portable terminal 1993-09-21
5219157 Paperboard feeding apparatus 1993-06-15
5172898 Paperboard feeding apparatus 1992-12-22
5091618 IC card reader/writer 1992-02-25
4690022 Stamping device having identical mount bases for rotatably supporting a cutting tool and an anvil 1987-09-01
4470592 Apparatus for guiding a sheet 1984-09-11