Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7175924 | Fine feldspathic earthenware and process of manufacturing the same | Yoshiaki Hattori, Kazuya Mizumoto | 2007-02-13 |
| 4950535 | Magnetic recording medium | Hiroyuki Arioka, Masharu Nishimatsu | 1990-08-21 |
| 4946729 | Resin composition and magnetic recording medium employing the composition | Masaharu Nishimatsu, Shigeru Shimada, Hiroyuki Arioka, Yuichi Kubota | 1990-08-07 |
| 4741954 | Magnetic recording medium | Tohru Shimozawa, Masaharu Nishimatsu | 1988-05-03 |
| 4735844 | Magnetic recording medium | Tohru Shimozawa, Masaharu Nishimatsu | 1988-04-05 |
| 4734326 | Magnetic recording medium | Masaharu Nishimatsu, Hiroyuki Arioka | 1988-03-29 |
| 4699819 | Magnetic recording medium | Tohru Shimozawa, Masaharu Nishimatsu | 1987-10-13 |
| 4666754 | Magnetic recording medium | Hiroyuki Arioka, Hideki Ishizaki | 1987-05-19 |
| 4639389 | Magnetic recording medium | Masaharu Nishimatsu, Hiroyuki Arioka | 1987-01-27 |
| 4637963 | Magnetic recording medium and method for making | Masaharu Nishimatsu, Yoshiaki Saito, Yuichi Kubota | 1987-01-20 |
| 4629646 | Magnetic recording medium | Tohru Shimozawa, Masaharu Nishimatsu | 1986-12-16 |
| 4628009 | Magnetic recording medium | Masaharu Nishimatsu, Yoshiaki Saito, Yuichi Kubota | 1986-12-09 |
| 4624892 | Magnetic recording medium | Hideki Ishizaki, Hiroyuki Arioka | 1986-11-25 |
| 4618535 | Magnetic recording medium | Masaharu Nishimatsu, Hiroyuki Arioka, Yuichi Kubota | 1986-10-21 |
| 4614687 | Magnetic recording medium | Masaharu Nishimatsu, Yoshiaki Saito, Yuichi Kubota | 1986-09-30 |
| 4596747 | Magnetic recording medium | Masaharu Nishimatsu, Yuichi Kubota, Yoshiaki Saito, Shigeru Shimada | 1986-06-24 |
| 4592942 | Magnetic recording medium | Masaharu Nishimatsu, Hiroyuki Arioka, Yuichi Kubota | 1986-06-03 |
| 4591528 | Magnetic recording medium | Masaharu Nishimatsu, Yuichi Kubota, Yoshiaki Saito, Hiroyuki Arioka | 1986-05-27 |
| 4587150 | Magnetic recording medium | Masaharu Nishimatsu, Hiroyuki Arioka, Yuichi Kubota | 1986-05-06 |
| 4547419 | Magnetic recording medium | Masaharu Nishimatsu, Hiroyuki Arioka, Yuichi Kubota | 1985-10-15 |