YK

Yasuo Kobayashi

NE Nec: 2 patents #38 of 619Top 7%
TW Tamura Electric Works: 1 patents #2 of 16Top 15%
YA Yazaki: 1 patents #33 of 107Top 35%
Overall (1989): #3,316 of 140,708Top 3%
4
Patents 1989

Issued Patents 1989

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4861282 Waterproof connecting structure for connector Masahiko Endo 1989-08-29
4858188 Semiconductor memory with improved write function 1989-08-15
4825110 Differential amplifier circuit Takashi Yamaguchi 1989-04-25
4821316 Key telephone system Senji Okumura, Ryuzo Sugiura, Masatoshi Ikeda 1989-04-11