YH

Yuuji Hirasawa

TC Toyo Ink Mfg. Co.: 2 patents #112 of 499Top 25%
SO Sony: 2 patents #12,963 of 25,231Top 55%
Overall (All Time): #1,114,989 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
12089013 Audio processing device having microphones arranged with different spacing and diameters Yohei Sakuraba, Eiji Chihara, Atsushi Masuda, Junsei Abe 2024-09-10
D967076 Microphone Hiromi Iizuka, Yohei Sakuraba 2022-10-18
6123763 Pigment dispersing agent and pigment composition containing the same Takashi Kamikubo, Toru Omura 2000-09-26
5286287 Monoazo lake pigment suitable for use in printing ink and process for the production thereof Akimitsu Mochizuki 1994-02-15