KU

Kaoru Umemura

HI Hitachi: 55 patents #211 of 28,497Top 1%
HH Hitachi High-Technologies: 19 patents #106 of 1,917Top 6%
HG HGST: 4 patents #440 of 1,677Top 30%
HC Hitachi Ulsi Systems Co.: 2 patents #419 of 867Top 50%
HS Hitachi High-Tech Science: 1 patents #94 of 167Top 60%
IBM: 1 patents #44,794 of 70,183Top 65%
Overall (All Time): #22,239 of 4,157,543Top 1%
81
Patents All Time

Issued Patents All Time

Showing 76–81 of 81 patents

Patent #TitleCo-InventorsDate
4755685 Ion micro beam apparatus Yoshimi Kawanami, Tohru Ishitani, Hifumi Tamura 1988-07-05
4740698 Hybrid charged particle apparatus Hifumi Tamura, Norio Saitou 1988-04-26
4733134 Liquid metal ion source with pulse generator control Hifumi Tamura, Tohru Ishitani, Yoshimi Kawanami 1988-03-22
4697086 Apparatus for implanting ion microbeam Tohru Ishitani, Hifumi Tamura 1987-09-29
4631448 Ion source Hifumi Tamura, Clay Shepherd, Toru Ishitani 1986-12-23
4624833 Liquid metal ion source and apparatus Tohru Ishitani, Toshiyuki Aida, Hifumi Tamura 1986-11-25