Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5792282 | Method of carburizing austenitic stainless steel and austenitic stainless steel products obtained thereby | Haruo Senbokuya, Kenzo Kitano, Tadashi Hayashida | 1998-08-11 |
| 5593510 | Method of carburizing austenitic metal | Haruo Senbokuya, Kenzo Kitano, Tadashi Hayashida | 1997-01-14 |
| 5556483 | Method of carburizing austenitic metal | Haruo Senbokuya, Kenzo Kitano, Tadashi Hayashida, Teruo Minato | 1996-09-17 |
| 5505791 | Process of producing nitrided and hardened nickel alloy products | Haruo Senbokuya, Kenzo Kitano, Tadashi Hayashida, Teruo Minato | 1996-04-09 |
| 5460875 | Hard austenitic stainless steel screw and a method for manufacturing the same | Akira Yoshino, Haruo Senbokuya, Kenzo Kitano, Teruo Minato | 1995-10-24 |
| 5447181 | Loom guide bar blade with its surface nitrided for hardening | Haruo Senbokuya, Kenzo Kitano, Tadashi Hayashida, Teruo Minato | 1995-09-05 |
| 5445683 | Nickel alloy products with their surfaces nitrided and hardened | Haruo Senbokuya, Kenzo Kitano, Tadashi Hayashida, Teruo Minato | 1995-08-29 |
| 5419948 | Hard austenitic stainless steel screw and a method for manufacturing the same | Akira Yoshino, Haruo Senbokuya, Kenzo Kitano, Teruo Minato | 1995-05-30 |
| 5417776 | Hard austenitic stainless steel screw | Akira Yoshino, Haruo Senbokuya, Kenzo Kitano, Teruo Minato | 1995-05-23 |
| 5403409 | Nitrided stainless steel products | Haruo Senbokuya, Kenzo Kitano, Tadashi Hayashida, Teruo Minato | 1995-04-04 |
| 5399211 | Method of plating steel | Akira Yoshino, Haruo Senbokuya, Kenzo Kitano, Takakazu Tomoda | 1995-03-21 |
| 5382318 | Hard austenitic stainless steel screw and a method for manufacturing the same | Haruo Senbokuya, Kenzo Kitano, Teruo Minato | 1995-01-17 |
| 5376188 | Method of nitriding austenitic stainless steel products | Haruo Senbokuya, Kenzo Kitano, Tadashi Hayashida, Teruo Minato | 1994-12-27 |
| 5252145 | Method of nitriding nickel alloy | Haruo Senbokuya, Kenzo Kitano, Tadashi Hayashida, Teruo Minato | 1993-10-12 |
| 5207845 | Process for manufacturing rolled articles of titanium material | Akira Yoshino, Haruo Senbokuya | 1993-05-04 |
| 5194097 | Method of nitriding steel and heat treat furnaces used therein | Haruo Senbokuya, Kenzo Kitano, Teruo Minato | 1993-03-16 |
| 5141567 | Method of nitriding steel | Takakazu Tomoda, Kenzo Kitano, Teruo Minato | 1992-08-25 |
| 5114500 | Nitriding furnace apparatus and method | Haruo Senbokuya, Kenzo Kitano, Teruo Minato | 1992-05-19 |
| 5112030 | Heat treat furnace for fluorinating steel material | Haruo Senbokuya, Kenzo Kitano, Teruo Minato | 1992-05-12 |
| 5013371 | Method of nitriding steel | Takakazu Tomoda, Kenzo Kitano, Teruo Minato | 1991-05-07 |
| 4975147 | Method of pretreating metallic works | Takakazu Tomoda, Kenzo Kitano | 1990-12-04 |