Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6328829 | Constrained hardening method and apparatus for deformed bar workpieces | Junichi Kato, Yoshiki Seto, Tetsukazu Fukuhara | 2001-12-11 |
| 5626693 | Method and apparatus for quenching a tubular workpiece | Tetsukazu Fukuhara, Yoshiki Seto, Junichi Kato | 1997-05-06 |
| 5492308 | Constrained quenching apparatus and heat treatment apparatus | Yoshiki Seto, Junichi Kato | 1996-02-20 |
| 4987281 | Apparatus for continuous-direct-resistance heating of long-length particles | — | 1991-01-22 |
| 4822969 | Apparatus for continuous-direct-resistance heating of long-length articles | — | 1989-04-18 |
| 4776195 | Apparatus for manufacturing core wire for optical fibers | Tetsukazu Fukuhara, Masayoshi Kurashige, Tokio Sekigawa | 1988-10-11 |
| 4538042 | Method and apparatus for forming reinforcing cage for prestressed concrete pile | Masaho Tanaka, Tomio Shishido, Tetsukazu Fukuhara, Kunihilo Kobayashi, Yoshio Inoue | 1985-08-27 |