Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5480299 | High-temperature gas blower impeller with vanes made of dispersion-strengthened alloy, gas blower using such impeller, and gas circulating furnace equipped with such gas blower | Yoshitada Motomura, Hiroshi Tawara, Kenji Tsukuta | 1996-01-02 |
| 5372499 | High-temperature gas blower impeller with vanes made of dispersion-strengthened alloy, gas blower using such impeller, and gas circulating furnace equipped with such gas blower | Yoshitada Motomura, Hiroshi Tawara, Kenji Tsukuta | 1994-12-13 |
| 5330710 | Nickel-base alloy for glass-contracting member used in unenergized state | Toshio Masaki, Noriaki Sasaki, Shin-ichiro Torata, Hiroshi Igarashi, Tetsuya Shimizu | 1994-07-19 |
| 5226980 | Skid rail alloy | Kenji Tsukuta | 1993-07-13 |
| 5196162 | Ti-Al type lightweight heat-resistant materials containing Nb, Cr and Si | Kunio Maki, Mamoru Sayashi, Susumu Isobe, Toshiharu Noda | 1993-03-23 |
| 5180446 | Oxide-dispersion-strengthened niobum-based alloys and process for preparing | Kenji Tsukuta | 1993-01-19 |
| 4927601 | Heat resisting bearing steel | Yutaka Kurebayashi | 1990-05-22 |
| 4810287 | Process for producing steel for valve springs | Tsutomu Saka, Yukio Ito | 1989-03-07 |
| 4795609 | High-strength steel for valve springs, process for producing the steel, and valve springs made of the same | Tsutomu Saka, Yukio Ito | 1989-01-03 |