YI

Yasuo Iwafune

TL Tokyo Electron Limited: 5 patents #1,450 of 5,567Top 30%
TK Tokyo Kogaku Kikai: 3 patents #27 of 143Top 20%
Overall (All Time): #669,795 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
5204769 Postobjective optical deflector Yasuo Matsumoto, Kazunori Murakami, Tomonori Ikumi 1993-04-20
5184245 Optical scanning system Kazunori Murakami, Tomonori Ikumi, Yasuo Matsumoto 1993-02-02
5153766 Postobjective optical scanner Yasuo Matsumoto, Kazunori Murakami, Tomonori Ikumi 1992-10-06
5064262 Postobjective optical deflector Yasuo Matsumoto, Kazunori Murakami, Tomonori Ikumi 1991-11-12
4875748 Polygon mirror Yasuo Matsumoto, Kazunori Murakami, Tomonori Ikumi 1989-10-24
4488050 Level measuring instrument having a staff with light-emitting elements 1984-12-11
4455758 Bearing means for angle measuring instruments Yuji Kobayashi 1984-06-26
4277171 Base board device for measuring instruments Hideo Iwai 1981-07-07