RT

Ryouichi Takeuchi

SK Showa Denko K.K.: 27 patents #17 of 1,736Top 1%
SD Showa Denko: 1 patents #231 of 593Top 40%
📍 Chichibu, JP: #12 of 144 inventorsTop 9%
Overall (All Time): #138,478 of 4,157,543Top 4%
28
Patents All Time

Issued Patents All Time

Showing 1–25 of 28 patents

Patent #TitleCo-InventorsDate
10172294 Method for cultivating plant 2019-01-08
9627578 Epitaxial wafer for light-emitting diodes Noriyoshi Seo, Atsushi Matsumura 2017-04-18
9549507 Method for cultivating plant Hironori Ara 2017-01-24
9485919 Multicolor light emitting diode lamp for plant growth, illumination apparatus, and plant growth method 2016-11-08
9445549 Method for cultivating plant Hironori Ara 2016-09-20
9363951 Method for cultivating plant Hironori Ara 2016-06-14
9184345 Light emitting diode and light emitting diode lamp Noriyoshi Seo, Atsushi Matsumura 2015-11-10
9112084 Light emitting diode, light emitting diode lamp, and illuminating apparatus Noriyuki Aihara, Noriyoshi Seo, Noritaka Muraki 2015-08-18
8901584 Light emitting diode, light emitting diode lamp and illuminating device Noriyoshi Seo, Atsushi Matsumura 2014-12-02
8729598 Light-emitting diode, method for manufacturing the same, and light-emitting diode lamp Wataru Nabekura 2014-05-20
8659004 Light emitting diode, light emitting diode lamp, and illuminating apparatus Noriyuki Aihara, Noriyoshi Seo, Noritaka Muraki 2014-02-25
8643023 Light emitting diode, light emitting diode lamp, and lighting apparatus Wataru Nabekura 2014-02-04
8482027 Epitaxial wafer for light emitting diode Noriyoshi Seo, Atsushi Matsumura 2013-07-09
8399277 Compound semiconductor light-emitting diode and method for fabrication thereof Takashi Watanabe 2013-03-19
8217405 Light-emitting diode and method for fabrication thereof Atsushi Matsumura, Takashi Watanabe 2012-07-10
8158987 Light-emitting diode and method for fabrication thereof Wataru Nabekura 2012-04-17
8134176 Light-emitting diode and light-emitting diode lamp Takashi Udagawa 2012-03-13
8022436 Light emitting diode, production method thereof and lamp Kyousuke Masuya 2011-09-20
7915619 Light-emitting diode and method for fabrication thereof Wataru Nabekura 2011-03-29
7863630 Light-emitting diode and method for fabrication thereof Atsushi Matsumura, Takashi Watanabe 2011-01-04
7842966 Compound semiconductor light-emitting diode and method for fabrication thereof Takashi Watanabe 2010-11-30
7790481 Compound semiconductor light-emitting device and production method thereof Wataru Nabekura, Takashi Udagawa 2010-09-07
7732831 Compound semiconductor light-emitting device with AlGaInP light-emitting layer formed within Wataru Nabekura, Takashi Udagawa 2010-06-08
7732830 Compound semiconductor light-emitting diode Takashi Udagawa 2010-06-08
7528417 Light-emitting diode device and production method thereof Keiichi Matsuzawa, Junichi Yamazaki 2009-05-05