Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5302181 | Oxide-dispersion-strengthened heat-resistant chromium-based sintered alloy | Takashi Onishi, Hiroshi Yamamoto, Koichi Yanai, Hiroyuki Araragi | 1994-04-12 |
| 5082750 | Magnetic recording medium of thin metal film type | Toshio Tani, Chiaki Sakai, Hideo Koshimoto, Tatsuhiko Kadowaki | 1992-01-21 |
| 5013616 | Magnetic recording medium of thin metal film type | Toshio Tani, Nobuhiko Tanaka, Tatsuhiko Kadowaki | 1991-05-07 |
| 4510988 | Tube for thermal cracking or reforming hydrocarbon and manufacturing method thereof | Keizo Konoki, Takanobu Shinohara, Ikuyoshi Kochi, Keiichi Shibata, Hisakatsu Nishihara +2 more | 1985-04-16 |
| 4477711 | Method and apparatus for plasma welding | Takao Mihara, Shigenori Sone | 1984-10-16 |
| 4444731 | Tube for thermal cracking or reforming hydrocarbon | Keizo Konoki, Takanobu Shinohara, Ikuyoshi Kochi, Keiichi Shibata, Hisakatsu Nishihara +2 more | 1984-04-24 |
| 4421558 | Iron-based heat-resistant cast alloy | Junichi Sugitani, Takao Kobayashi | 1983-12-20 |
| 4391635 | High Cr low Ni two-phased cast stainless steel | Shinichi Murakami, Hisashi Hiraishi, Hiroyuki Shiokawa | 1983-07-05 |
| 4371775 | Method and apparatus for plasma welding | Takao Mihara, Shigenori Sone | 1983-02-01 |
| 4345941 | Non-pick-up and heat resistant alloy | Hisashi Hiraishi, Shinichi Murakami | 1982-08-24 |
| 4224061 | High corrosion resistant and high strength medium Cr and low Ni stainless cast steel | Hisashi Hiraishi, Shinichi Murakami, Katsutaro Akamatsu | 1980-09-23 |
| 4218268 | High corrosion resistant and high strength medium Cr and low Ni stainless cast steel | Hisashi Hiraishi, Shinichi Murakami, Katsutaro Akamatsu | 1980-08-19 |