Issued Patents All Time
Showing 26–49 of 49 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5726495 | Heat sink having good heat dissipating characteristics | Toshio Aihara, Masahito Tasaka | 1998-03-10 |
| 5636542 | Piercing-rolling method and piercing/rolling apparatus for seamless steel tube | Tomio Yamakawa, Kazuhiro Shimoda | 1997-06-10 |
| 5625229 | Heat sink fin assembly for cooling an LSI package | Masayasu Kojima, Tetsuo Abiko, Keiji Miki | 1997-04-29 |
| 5533370 | Tube rolling method and apparatus | Kouichi Kuroda, Youichi Imamura, Kazuyuki Nakasuji | 1996-07-09 |
| 5519938 | Process for producing a heat sink fin | Masayasu Kojima | 1996-05-28 |
| 5501091 | Method and apparatus for elongating metal tubes by means of a mandrel mill | — | 1996-03-26 |
| 5455382 | IC package heat sink fin | Masayasu Kojima | 1995-10-03 |
| 5369301 | Pin-finned forged heat sink | Kimihiko Ohminato | 1994-11-29 |
| 5152047 | Method of producing laminated metal belt | Masayasu Kojima | 1992-10-06 |
| 5080727 | Metallic material having ultra-fine grain structure and method for its manufacture | Kenji Aihara, Takashi Tsukamoto, Nobuhiro Murai, Hyoji Hagita | 1992-01-14 |
| 5007577 | Multiple-core complex material and method of manufacturing the same | Kazuyuki Nakasuji, Yoshiyuki Suzushima | 1991-04-16 |
| 5004143 | Method of manufacturing clad bar | Kazuyuki Nakasuji | 1991-04-02 |
| 4959985 | Method of manufacturing metallic tube with spiral fin | Kouichi Kuroda, Kazuyuki Nakasuji | 1990-10-02 |
| 4901553 | Method of manufacturing a finned tube | Kouichi Kuroda, Kazuyuki Nakasuji | 1990-02-20 |
| 4852736 | Metal case for housing an IC and a manufacturing method therefor | Masayasu Kojima | 1989-08-01 |
| 4827750 | Method of piercing and manufacturing seamless tubes | — | 1989-05-09 |
| 4669293 | Continuous rolling method and continuous rolling mill | Yoshiaki Kusaba | 1987-06-02 |
| 4597278 | Method for producing I-beam having centrally corrugated web | Masami Hamada, Kiyokazu Tanaka, Takeshi Kikuchi, Yasuhiro Asai, Fumio Ohtake | 1986-07-01 |
| 4512177 | Method of manufacturing metallic materials having a circular cross section | Kazuyuki Nakasuji | 1985-04-23 |
| 4510787 | Method of manufacturing hollow rods | Kazuyuki Nakasuji | 1985-04-16 |
| 4470282 | Method of piercing in seamless tube manufacturing | — | 1984-09-11 |
| 4420961 | Method for producing beam blank for universal beam | Yoshiaki Kusaba | 1983-12-20 |
| 4416134 | Process for manufacturing seamless metal tubes | — | 1983-11-22 |
| 4225662 | Diazo copying material | Tsutomu Matsuda, Masanori Rimoto | 1980-09-30 |