TY

Takashi Yokoyama

HI Hitachi: 1 patents #856 of 3,149Top 30%
NI Ngk Insulators: 1 patents #43 of 158Top 30%
NC Nkk Co.: 1 patents #25 of 178Top 15%
Sumitomo Electric Industries: 1 patents #611 of 1,892Top 35%
UN Unknown: 1 patents #172 of 2,033Top 9%
Overall (1994): #4,287 of 165,921Top 3%
4
Patents 1994

Issued Patents 1994

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5370836 Process of making porous fluoroplastics membrane for an air depolarized battery Hajime Konishi, Naoko Souma 1994-12-06
5358904 Semiconductor device Gen Murakami, Kunihiro Tsubosaki, Masahiro Ichitani, Kunihiko Nishi, Ichiro Anjoh +19 more 1994-10-25
5325004 Motor Yoichi Mori, Hiroyuki Yonei, Kiyoharu Noguchi 1994-06-28
5294419 Method for removing nitrogen oxides and organic chlorine compounds from combustion waste gas Masakatsu Hiraoka, Toshihiko Iwasaki, Haruhito Tsuboi, Takashi Noto, Miki Yamagishi +4 more 1994-03-15