SH

Satoru Hayashi

Mitsubishi Electric: 14 patents #1,823 of 25,717Top 8%
OF Otsuka Pharmaceutical Factory: 3 patents #55 of 354Top 20%
SE Seiko Epson: 3 patents #3,864 of 7,774Top 50%
KS Kawai Gakki Seisakusho: 2 patents #77 of 198Top 40%
NS Nippon Steel: 2 patents #1,308 of 4,423Top 30%
TC Tsubakimoto Chain: 1 patents #320 of 593Top 55%
NM Nippon Steel & Sumitomo Metal: 1 patents #786 of 1,491Top 55%
NI Nisshinbo Industries: 1 patents #182 of 375Top 50%
OC Otsuka Pharmaceutical Co.: 1 patents #681 of 1,273Top 55%
Overall (All Time): #145,297 of 4,157,543Top 4%
27
Patents All Time

Issued Patents All Time

Showing 26–27 of 27 patents

Patent #TitleCo-InventorsDate
4550638 Portable keyboard-type musical instrument Kenkichi Kaneko, Takeshi Hattori, Kensaku Hakamata, Takayuki Goshima, Masakazu Matsumoto 1985-11-05
4378721 Pickup apparatus for an electric string type instrument Kenkichi Kaneko, Katsuyuki Tanaka, Kensaku Hakamada, Masakazu Matsumoto, Shinji Tagaki +1 more 1983-04-05