Masaru Yasui

HC Hosiden Electronics Co.: 6 patents #12 of 98Top 15%

SC Stanley Electric Co.: 5 patents #136 of 1,072Top 15%

OK Otsuka Kagaku Kabushiki Kaisya: 4 patents #18 of 183Top 10%

HO Hosiden: 4 patents #81 of 328Top 25%

TL Tpo Hong Kong Holding Limited: 3 patents #3 of 61Top 5%

Philips: 2 patents #2,426 of 7,731Top 35%

TC Taiho Pharmaceutical Co.: 2 patents #143 of 484Top 30%

NT NTT: 1 patents #2,911 of 4,871Top 60%

EH E Ink Holdings: 1 patents #459 of 639Top 75%

Overall (All Time): #155,899 of 4,157,543Top 4%

Patents All Time

Issued Patents All Time

Showing 26–26 of 26 patents

Patent #	Title	Co-Inventors	Date
4385473	Method for frequency regulation of tuning-fork vibrator	Shigeo Aoki, Shuzo Isogami, Junichi Tamamura, Tatsuo Nagayoshi, Susumu Hirao	1983-05-31