HY

Hiroyuki Yokoyama

TU Tohoku University: 20 patents #8 of 1,680Top 1%
SO Sony: 20 patents #2,042 of 25,231Top 9%
NE Nec: 8 patents #1,742 of 14,502Top 15%
SA Sanden: 6 patents #65 of 631Top 15%
RO Roland: 5 patents #42 of 292Top 15%
KD Kddi: 4 patents #79 of 396Top 20%
SE Seiko Epson: 3 patents #3,864 of 7,774Top 50%
MM Murata Machinery: 2 patents #128 of 397Top 35%
JA Japan Science And Technology Agency: 1 patents #756 of 2,171Top 35%
TO Toyota: 1 patents #15,335 of 26,838Top 60%
JS Jfe Steel: 1 patents #825 of 1,401Top 60%
SS Suwa Seikosha: 1 patents #103 of 220Top 50%
KI Kiddi: 1 patents #2 of 16Top 15%
KC Kokusai Denshin Denwa Co.: 1 patents #219 of 382Top 60%
TC Tohoku Techno Arch Co.: 1 patents #52 of 193Top 30%
YA Yazaki: 1 patents #2,077 of 3,427Top 65%
Overall (All Time): #43,808 of 4,157,543Top 2%
56
Patents All Time

Issued Patents All Time

Showing 26–50 of 56 patents

Patent #TitleCo-InventorsDate
8575626 Bi-section semiconductor laser device, method for manufacturing the same, and method for driving the same Hideki Watanabe, Takao Miyajima, Masao Ikeda, Tomoyuki Oki, Masaru Kuramoto 2013-11-05
8483256 Laser diode element assembly and method of driving the same Tomoyuki Oki, Masaru Kuramoto, Rintaro Koda, Hideki Watanabe 2013-07-09
8442079 Mode-locked semiconductor laser device and driving method thereof Tomoyuki Oki, Masaru Kuramoto, Masao Ikeda, Takao Miyajima, Hideki Watanabe 2013-05-14
8329483 Bi-section semiconductor laser device, method for manufacturing the same, and method for driving the same Hideki Watanabe, Takao Miyajima, Masao Ikeda, Tomoyuki Oki, Masaru Kuramoto 2012-12-11
8290005 Method of driving a laser diode Shunsuke Kono, Tomoyuki Oki, Masao Ikeda, Takao Miyajima, Hideki Watanabe 2012-10-16
8116343 Method of driving a laser diode Shunsuke Kono, Tomoyuki Oki, Masao Ikeda, Takao Miyajima, Hideki Watanabe 2012-02-14
8111723 Method of driving a laser diode Shunsuke Kono, Tomoyuki Oki, Masao Ikeda, Takao Miyajima, Hideki Watanabe 2012-02-07
8081669 Method of driving laser diode device and laser diode equipment Shunsuke Kono, Tomoyuki Oki, Masao Ikeda 2011-12-20
8026948 Imaging apparatus and portable device and portable telephone using same Kazuo Nomura 2011-09-27
7796884 Wavelength path switching node apparatus and wavelength path allocation method Hajime Nakamura, Shinichi Nomoto 2010-09-14
7731486 Compressor with dual pathways for returning lubricating oil 2010-06-08
7664964 Electronic media communication apparatus Kenji Toda 2010-02-16
7598980 Image pickup device for judging and displaying hand-waggling level and cellular phone using the same Nobuyuki Imai 2009-10-06
7538936 Pulse laser beam generating device 2009-05-26
7522826 Imaging apparatus and portable device and portable telephone using same Kazuo Nomura 2009-04-21
7437072 Optical cross-connect with path selecting function Hajime Nakamura 2008-10-14
7272313 System with node apparatuses in IP/WDM network Hajime Nakamura 2007-09-18
7255543 Scroll compressor and air-conditioning system for vehicle using the scroll compressor 2007-08-14
6973270 Reflection routing method in optical packet switching network and optical packet switch for reflection routing Hajime Nakamura, Toshio Kato, Hiroki Furuya, Hiroyuki Fukuoka 2005-12-06
6795479 Generation of optical pulse train having high repetition rate using mode-locked laser 2004-09-21
6698941 Mode locking semiconductor laser system including external cavity 2004-03-02
6650845 Optical repeater using two mode-locked laser diodes for regenerating output pulses of same wavelength as incident optical pulses Hisakazu Kurita 2003-11-18
6541951 Optical measurement of target-light waveform Masayuki Shirane, Hirohito Yamada, Hisakazu Kurita 2003-04-01
6324166 Call setup control apparatus in ATM switch Hajime Nakamura 2001-11-27
6247910 Scroll type compressor which requires no flange portions or holes for solely positioning purposes 2001-06-19