YK

Yasuyuki Kawakami

SC Stanley Electric Co.: 17 patents #27 of 1,072Top 3%
Casio Computer Co.: 2 patents #935 of 1,970Top 50%
KU Kyoto University: 2 patents #286 of 1,688Top 20%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #261,724 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDate
12203649 Wavelength conversion device and illumination device Yusuke Yokobayashi, Yosuke Maemura, Shunsuke Murai 2025-01-21
11933489 Optical device, and method of fabricating optical device Yusuke Yokobayashi, Yosuke Maemura, Hideaki Yamamoto, Keijiro Takashima, Ryosuke Kamakura 2024-03-19
10907773 Wavelength conversion device and light source device Shunsuke Murai, Yusuke Yokobayashi, Keijiro Takashima, Syousaku Kubo, Yosuke Maemura 2021-02-02
10054674 Light emitting and receiving system Yasuo Toko 2018-08-21
9275846 Light source device and filament Takahiro Matsumoto, Takao Saito 2016-03-01
9214330 Light source device and filament Takahiro Matsumoto, Takao Saito, Kei EMOTO 2015-12-15
9166118 Semiconductor light emitting apparatus Shuichi Ajiki, Tsutomu Akagi, Mitsunori Harada 2015-10-20
8919976 Light source device and lighting device Atsushi NAGASAKI, Takashi Sugiyama 2014-12-30
8872208 Light source device and lighting device 2014-10-28
8746896 Light source unit and projector Naotsugu Ogura, Hideki Nakamura, Takeshi Miyazaki, Osamu Umamine, Hiroki Masuda 2014-06-10
8742433 Semiconductor light emitting apparatus Shuichi Ajiki, Tsutomu Akagi, Mitsunori Harada 2014-06-03
8717563 Light scattering type particle detector using scattered light of surface plasmon resonance photons Takahiro Matsumoto, Fumio Kubo, Koichi Okamoto 2014-05-06
8708511 Semiconductor light source apparatus and lighting unit 2014-04-29
8564186 Light source apparatus having a solid light source element and a phosphor Takahiro Matsumoto, Yoshiaki Yasuda, Koichi Okamoto 2013-10-22
8337027 Light source unit and projector Naotsugu Ogura, Masahiro Ogawa, Hideki Nakamura, Takeshi Miyazaki, Hiroki Masuda 2012-12-25
8314540 Color converted light emitting apparatus Tsutomu Akagi 2012-11-20
8258528 Semiconductor light-emitting device Shuichi Ajiki, Tsutomu Akagi 2012-09-04