KM

Kiyoto Mashima

NI Nikon: 3 patents #1,048 of 2,493Top 45%
NK Nippon Kogaku K.K.: 2 patents #156 of 382Top 45%
Overall (All Time): #1,043,703 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6361176 Reflection reduction projection optical system 2002-03-26
5669708 Optical element, production method of optical element, optical system, and optical apparatus Takashi Mori, Osamu Tanitsu 1997-09-23
5581605 Optical element, production method of optical element, optical system, and optical apparatus Katsuhiko Murakami, Takashi Mori, Osamu Tanitsu 1996-12-03
4769523 Laser processing apparatus Akikazu Tanimoto, Keiichiro Sakato, Joji Iwamoto, Hiroshi Shirasu 1988-09-06
4745289 Multiwavelength optical apparatus for laser processing alignment and observation 1988-05-17