MH

Masahiko Hayakawa

SL Semiconductor Energy Laboratory: 192 patents #45 of 1,113Top 5%
Brother Kogyo: 22 patents #376 of 2,767Top 15%
SO Sony: 6 patents #6,793 of 25,231Top 30%
Overall (All Time): #2,732 of 4,157,543Top 1%
219
Patents All Time

Issued Patents All Time

Showing 25 most recent of 219 patents

Patent #TitleCo-InventorsDate
12376335 Semiconductor device and manufacturing method thereof Shunpei Yamazaki, Tatsuya Honda 2025-07-29
12271126 Image forming apparatus configured to perform cleaning operation for cleaning drum cleaning roller configured to collect toner on photosensitive drum Toshio Furukawa, Koji Ogawa, Fan Xu, Kazuma Hinoue, Hotaka Kakutani +12 more 2025-04-08
12164245 Cartridge having detachable cap to cover opening of casing for replenishing toner into storage bag accommodated in casing Nao Itabashi, Sakiho HAYAKAWA, Hotaka Kakutani, Shintaro Fukuoka, Haruka KIZU +1 more 2024-12-10
12159600 Display device Kenichi Wakimoto 2024-12-03
12138934 Image forming system, image forming apparatus, and bottle Daisuke Maeta, Shougo Sato 2024-11-12
12111587 Developing unit having guide that stably supports toner cartridge Masashi Imai, Shougo Sato 2024-10-08
11817505 Semiconductor device Shunpei Yamazaki, Tatsuya Honda 2023-11-14
11790866 Display device Kenichi Wakimoto 2023-10-17
11764074 Semiconductor device Shunpei Yamazaki, Yasuharu HOSAKA, Toshimitsu OBONAI, Junichi Koezuka, Yukinori SHIMA +2 more 2023-09-19
11698595 Developing unit having guide that stably supports toner cartridge Masashi Imai, Shougo Sato 2023-07-11
11462186 Display device Kenichi Wakimoto 2022-10-04
11271115 Semiconductor device Shunpei Yamazaki, Tatsuya Honda 2022-03-08
11221570 Developing unit having guide that stably supports toner cartridge Masashi Imai, Shougo Sato 2022-01-11
11101299 Semiconductor display device Shunpei Yamazaki, Satoshi Murakami, Kiyoshi Kato, Mitsuaki Osame 2021-08-24
11081072 Display device Kenichi Wakimoto 2021-08-03
11063102 Light emitting device Makoto Udagawa, Jun Koyama, Mitsuaki Osame, Aya Anzai 2021-07-13
10978613 Light-emitting device Mitsuaki Osame, Aya Anzai, Jun Koyama, Makoto Udagawa, Shunpei Yamazaki 2021-04-13
10879272 Semiconductor device and semiconductor device production system Atsuo Isobe, Shunpei Yamazaki, Koji Dairiki, Hiroshi Shibata, Chiho Kokubo +5 more 2020-12-29
10871731 Developing unit having guide that stably supports toner cartridge Masashi Imai, Shougo Sato 2020-12-22
10861980 Semiconductor device, display device including semiconductor device, display module including display device, and electronic device including semiconductor device, display device, and display module Masahiro Katayama, Yasutaka NAKAZAWA, Masatoshi Yokoyama, Kenichi OKAZAKI, Shunsuke KOSHIOKA 2020-12-08
10854642 Semiconductor element and display device using the same Satoshi Murakami, Shunpei Yamazaki 2020-12-01
10770310 Semiconductor device Shunpei Yamazaki, Yasuharu HOSAKA, Toshimitsu OBONAI, Junichi Koezuka, Yukinori SHIMA +2 more 2020-09-08
10761457 Developing unit having guide that stably supports toner cartridge Masashi Imai, Shougo Sato 2020-09-01
10741414 Semiconductor device Shunpei Yamazaki, Yasuharu HOSAKA, Toshimitsu OBONAI, Junichi Koezuka, Yukinori SHIMA +2 more 2020-08-11
10700106 Semiconductor element and display device using the same Satoshi Murakami, Shunpei Yamazaki 2020-06-30