MI

Masatsugu Ichikawa

Nichia: 38 patents #22 of 1,531Top 2%
TU Tohoku University: 1 patents #615 of 1,680Top 40%
📍 Tokushima, JP: #30 of 1,059 inventorsTop 3%
Overall (All Time): #84,493 of 4,157,543Top 3%
38
Patents All Time

Issued Patents All Time

Showing 1–25 of 38 patents

Patent #TitleCo-InventorsDate
12261090 Composite substrate and method of producing the composite substrate, and semiconductor device comprising the composite substrate Shoichi Yamada, Takeshi Kihara, Yutaka Matsusaka 2025-03-25
12145349 Light emitting device and method of manufacturing light emitting device Daisuke Sanga, Shunsuke Minato, Toru Takasone, Masahiko Sano 2024-11-19
12002902 Light emitting device, and method for manufacturing thereof 2024-06-04
11929294 Composite substrate and method of producing the composite substrate, and semiconductor device comprising the composite substrate Shoichi Yamada, Takeshi Kihara, Yutaka Matsusaka 2024-03-12
11837679 Display device Tetsu Tanaka, Takafumi Fukushima, Hisashi Kino 2023-12-05
11799065 Method of producing heat dissipation substrate and method of producing composite substrate Shoichi Yamada, Takeshi Kihara 2023-10-24
11522104 Light emitting device, and method for manufacturing thereof 2022-12-06
10974492 Light emitting device and method of manufacturing light emitting device Daisuke Sanga, Shunsuke Minato, Toru Takasone, Masahiko Sano 2021-04-13
10777715 Semiconductor light emitting device 2020-09-15
10658545 Light emitting device in which light emitting element and light transmissive member are directly bonded 2020-05-19
10658811 Optical component, light emitting device using the optical component, and method of manufacturing the optical component Soichiro MIURA, Takehito Shimatsu 2020-05-19
10636941 Light emitting device, and method for manufacturing thereof 2020-04-28
10603889 Light emitting device and method of manufacturing light emitting device Daisuke Sanga, Shunsuke Minato, Toru Takasone, Masahiko Sano 2020-03-31
10593843 Method of manufacturing optical component 2020-03-17
10461235 Method of manufacturing semiconductor device Yuta Oka 2019-10-29
10415795 Method of manufacturing light distribution member with shielded individual transmissive pieces and light-shielding frame, method of manufacturing light emitting device having light distribution member, light distribution member, and light emitting device Dai Wakamatsu, Masahiko Sano 2019-09-17
10234081 Light-emitting device and method of manufacturing the same 2019-03-19
10211379 Semiconductor light emitting device and method for manufacturing the same 2019-02-19
10115877 Method for manufacturing semiconductor device Yoshiki Inoue, Yoshiyuki Aihara, Takehito Shimatsu 2018-10-30
10043948 Light emitting device in which light emitting element and light transmissive member are directly bonded 2018-08-07
9991434 Semiconductor device with metal-bonded heat dissipator and manufacturing method for the same Satoshi SHICHIJO, Takehito Shimatsu 2018-06-05
9941447 Semiconductor light emitting device and method for producing the same 2018-04-10
9914288 Light emitting device and method of manufacturing light emitting device Daisuke Sanga, Shunsuke Minato, Toru Takasone, Masahiko Sano 2018-03-13
9847452 Light emitting device, and method for manufacturing thereof 2017-12-19
9744754 Method for manufacturing light distribution member, and method for manufacturing light emitting device Dai Wakamatsu 2017-08-29