Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5840380 | Basicity-Resistant Refractory | Kenichi Yamaguchi, Fumihiko Ogino | 1998-11-24 |
| 5595948 | Magnesia-titania refractory and method for manufacturing the same | Kenichi Yamaguchi, Fumihiko Ogino, Susumu Okabe | 1997-01-21 |
| 5439616 | Infrared light-excited light-emitting substance | Shoji Ishiwata, Michihiro Tanaka, Yasuhiro Hanaue, Yuhu Wang, Shinobu Nagahama +1 more | 1995-08-08 |
| 5432458 | Process for determination of phosphorus in molten copper | Yasuhiro Hanaue | 1995-07-11 |
| 5372657 | Amorphous material for regenerator | Yasuhiro Hanaue, Takuo Takeshita, Uichiro Mizutani, Yoshiki Hoshino | 1994-12-13 |
| 5142254 | Ultrasonic delay line device with an adjusting circuit for adjusting delay time, a comb-shaped filter using the ultrasonic delay line device and a method of adjusting delay time | Naomitsu Umemura, Masahiko Maeda | 1992-08-25 |
| 5130679 | Ultrasonic delay line mounted in a frame-like body having a wiring pattern thereon | Haruto Hashimoto, Yutaka Igarashi | 1992-07-14 |
| 5002647 | Process for preparation of thick films by electrophoresis | Hiroyoshi Tanabe, Seitaro Fukushima | 1991-03-26 |
| 4980141 | Hexagonal-bipyramid crystalline scandium oxide powder and a process for preparing the same | Hisao Nakanishi | 1990-12-25 |
| 4980603 | Cathode for an electron tube | Hisao Nakanishi | 1990-12-25 |
| 4956159 | Process for recovering gallium trichloride from gallium-containing waste | Takeyoshi Shibasaki, Yutaka Nishiyama | 1990-09-11 |
| 4956340 | Process for preparing compound metal oxides of yttrium, barium and copper | Nozomu Hasegawa, Yutaka Nishiyama | 1990-09-11 |
| 4886777 | Process for preparing compound metal oxides | Nozomu Hasegawa, Yutaka Nishiyama | 1989-12-12 |
| 4746971 | Comb-shape response filter having ultrasonic delay line | Nobuhiro Yokoo, Shigeru Ueno | 1988-05-24 |
| 4512557 | Apparatus for preparing high-melting-point high-toughness metals | Katsumi Ogi, Kazusuke Sato, Mayuki Hashimoto | 1985-04-23 |
| 4508322 | Apparatus for preparing high melting point high toughness metals | Katsumi Ogi, Kazusuke Sato | 1985-04-02 |
| 4447045 | Apparatus for preparing high-melting-point high-toughness metals | Katsumi Ogi, Kazusuke Sato, Mayuki Hashimoto | 1984-05-08 |