KK

Koji Kamei

SK Showa Denko K.K.: 18 patents #34 of 1,736Top 2%
NT Nec Tokin: 8 patents #31 of 299Top 15%
TO Tokin: 5 patents #9 of 278Top 4%
TC Toyoda Gosei Co.: 3 patents #706 of 2,296Top 35%
TO Toto: 2 patents #431 of 1,113Top 40%
KA Kao: 2 patents #1,388 of 3,221Top 45%
RE Resonac: 1 patents #191 of 474Top 45%
NE Nec: 1 patents #7,889 of 14,502Top 55%
Overall (All Time): #78,744 of 4,157,543Top 2%
40
Patents All Time

Issued Patents All Time

Showing 1–25 of 40 patents

Patent #TitleCo-InventorsDate
11961736 SiC epitaxial wafer, production method therefor, and defect identification method Ling Guo 2024-04-16
11705329 SiC epitaxial wafer and method for manufacturing same 2023-07-18
11320388 SiC epitaxial wafer containing large pit defects with a surface density of 0.5 defects/CM2 or less, and production method therefor Ling Guo 2022-05-03
11315839 Evaluation method and manufacturing method of SiC epitaxial wafer Yoshitaka Nishihara 2022-04-26
11293115 Method for producing a SiC epitaxial wafer containing a total density of large pit defects and triangular defects of 0.01 defects/cm2 or more and 0.6 defects/cm2 or less Ling Guo 2022-04-05
11249027 SiC substrate evaluation method and method for manufacturing SiC epitaxtal wafer Yoshitaka Nishihara 2022-02-15
10985042 SiC substrate, SiC epitaxial wafer, and method of manufacturing the same Yoshitaka Nishihara 2021-04-20
10955350 SiC wafer defect measuring method, reference sample, and method of manufacturing SiC epitaxial wafer 2021-03-23
10865500 SiC epitaxial wafer and method for manufacturing SiC epitaxial wafer Jun Norimatsu, Akira Miyasaka, Yoshiaki Kageshima, Daisuke Muto 2020-12-15
10697898 SiC substrate evaluation method and method for manufacturing SiC epitaxial wafer Yoshitaka Nishihara 2020-06-30
10065321 Robot service cooperation system, platform and method Takahiro Miyashita, Kazuhiko Shinozawa, Norihiro Hagita, Tadahisa Kondo 2018-09-04
9359753 Flush toilet Tomohiro Hirakawa, Masaki Kitamura, Shu Kashirajima, Yuki Shinohara 2016-06-07
9157225 Flush toilet Shu Kashirajima, Tomohiro Hirakawa, Masaki Kitamura, Yuki Shinohara 2015-10-13
8866186 Group III nitride semiconductor light-emitting device Gaku Oriji, Hisayuki Miki, Akihiro Matsuse 2014-10-21
8829555 Semiconductor light emission element Remi Ohba, Takashi Hodota 2014-09-09
8748903 Semiconductor light emitting element and method for manufacturing semiconductor light emitting element Honglin Wang 2014-06-10
8524801 Water-based ink for inkjet printing Hiroyuki Yoshida, Tsuyoshi Oda, Takahiro Sato, Yusuke Shimizu, Toshiya Iwasaki 2013-09-03
8093605 Gallium nitride-based compound semiconductor light-emitting device with an electrode covered by an over-coating layer 2012-01-10
8049243 Gallium nitride-based compound semiconductor light emitting device Munetaka Watanabe, Noritaka Muraki, Yasushi Ohno 2011-11-01
7964660 Process for producing aqueous pigment dispersion Toshiyuki Matsumoto, Tsuyoshi Oda, Toshiya Iwasaki 2011-06-21
7952116 Gallium nitride-based compound semiconductor light-emitting device 2011-05-31
7875896 Transparent positive electrode Munetaka Watanabe, Noritaka Muraki, Yasushi Ohno 2011-01-25
7759690 Gallium nitride-based compound semiconductor light-emitting device Hisayuki Miki, Hironao Shinohara 2010-07-20
7741653 Gallium nitride-based compound semiconductor light-emitting device 2010-06-22
7544974 Positive electrode for compound semiconductor light-emitting device 2009-06-09