TK

Takayuki Kawasumi

SO Sony: 18 patents #2,315 of 25,231Top 10%
Overall (All Time): #248,933 of 4,157,543Top 6%
18
Patents All Time

Issued Patents All Time

Showing 1–18 of 18 patents

Patent #TitleCo-InventorsDate
12068581 Surface-emitting semiconductor laser Yoshiaki Watanabe 2024-08-20
11923661 Surface emitting laser and method of manufacturing the same Hideki Kimura, Kota Tokuda, Yoshiaki Watanabe 2024-03-05
11652333 Surface-emitting semiconductor laser Yoshiaki Watanabe 2023-05-16
11271368 Semiconductor laser and electronic apparatus Kota Tokuda, Hideki Watanabe 2022-03-08
10672944 Active layer structure, semiconductor light emitting element, and display apparatus Yoshiaki Watanabe 2020-06-02
10540916 Semiconductor light-emitting device, display unit, and electronic apparatus Kota Tokuda 2020-01-21
10541511 Semiconductor light-emitting element, manufacturing method of semiconductor light-emitting element, and semiconductor device Kota Tokuda 2020-01-21
10490692 Semiconductor light-emitting device and display apparatus Yoshiaki Watanabe 2019-11-26
10320146 Semiconductor light-emitting element, manufacturing method of semiconductor light-emitting element, and semiconductor device Kota Tokuda 2019-06-11
9966500 Semiconductor optical device and display device Yoshiaki Watanabe 2018-05-08
9368685 Semiconductor light emitting device, method of manufacturing the same, image display device, and electronic apparatus Hiroki Naito, Takahiro Koyama, Kensuke Kojima, Arata Kobayashi, Hiroyuki Okuyama +1 more 2016-06-14
9153935 Electronic unit, optcal disk knit, display unit, and image pickup unit Yoshiaki Watanabe 2015-10-06
8740409 Light-emitting-element mounting package, light emitting device, backlight, and liquid crystal display device Hidehiko Nakata, Akihiko Memezawa 2014-06-03
8218594 Vertical cavity surface emitting laser Osamu Maeda, Yuji Masui, Masaki Shiozaki, Takahiro Arakida 2012-07-10
7332744 Semiconductor light-emitting device and method of manufacturing the same Tomonori Hino, Hironobu Narui, Tsuyoshi Nagatake, Yuichi Kuromizu, Tadahiko Kawasaki +4 more 2008-02-19
6233266 Light emitting device 2001-05-15
6084251 Semiconductor light emitting device with carrier diffusion suppressing layer Koshi Tamamura, Shoji Hirata 2000-07-04
5732099 Semiconductor light emitting device Norikazu Nakayama, Akira Ishibashi, Yoshifumi Mori 1998-03-24