HI

Hiroshi Ishijima

SE Seiko Instruments & Electronics: 2 patents #33 of 164Top 25%
DS Daini Seikosha: 1 patents #64 of 155Top 45%
NS Nippon Steel: 1 patents #2,111 of 4,423Top 50%
SI Seiko Instruments: 1 patents #836 of 1,437Top 60%
Overall (All Time): #1,299,521 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4999495 Scanning tunneling microscope Chikara Miyata, Masatoshi Yasutake 1991-03-12
4461017 Fluorescent X-ray device Toshiyuki Koga 1984-07-17
4442535 Fluorescent X-ray film thickness gauge for very small areas Toshiyuki Koga 1984-04-10
4331872 Method for measurement of distribution of inclusions in a slab by electron beam irradiation Hiromu Soga, Koichi Kitamura, Tomio Sasaki, Mitsuyoshi Sato 1982-05-25