Issued Patents All Time
Showing 51–59 of 59 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7735961 | Liquid discharge head and method of producing the same | Shuji Koyama, Kenji Fujii, Hiroyuki Murayama, Masaki Ohsumi, Jun Yamamuro +1 more | 2010-06-15 |
| 7592131 | Method for producing fine structured member, method for producing fine hollow structured member and method for producing liquid discharge head | Masahiko Kubota, Wataru Hiyama, Tatsuya Masukawa, Shoji Shiba, Yoshiaki Kurihara +2 more | 2009-09-22 |
| 7523553 | Method of manufacturing ink jet recording head | Masaki Ohsumi, Shuji Koyama, Hiroyuki Murayama, Kenji Fujii, Yoshinobu Urayama +1 more | 2009-04-28 |
| 7300596 | Method of manufacturing liquid discharge head | Hiroyuki Murayama, Shuji Koyama, Kenji Fujii, Masaki Ohsumi, Yoshinobu Urayama +3 more | 2007-11-27 |
| 7287847 | Method of manufacturing ink jet recording head, ink jet recording head, and ink jet cartridge | Kenji Fujii, Shuji Koyama, Masaki Osumi, Shingo Nagata, Jun Yamamuro +2 more | 2007-10-30 |
| 6591500 | Method of manufacturing a liquid discharge head | Yoshiaki Suzuki, Masashi Miyagawa, Makoto Watanabe, Tatsuya Masukawa, Yoshiaki Kurihara +1 more | 2003-07-15 |
| 5256976 | Power apparatus and method of location of a fault in a power apparatus on the basis of attenuation coefficients of electromagnetic coefficients of fault generated electromagnetic waves | Toshio Ishikawa, Fumihiro Endo, Shuzo Iwaasa, Tomoaki Utsumi, Tokio Yamagiwa | 1993-10-26 |
| 5253180 | Apparatus and method for diagnosis of power appliances | Tokio Yamagiwa, Kiyoshi Okumura | 1993-10-12 |
| 5124687 | Power apparatus, power transmission/distribution unit, and tripping method therefor | Kiyoshi Okumura, Tokio Yamagiwa, Takaaki Kawada, Masaru Fukuoka | 1992-06-23 |