| 6777863 |
Material for aperture grill for color picture tube, process for making the same, aperture grill, and picture tube |
Hironao Okayama, Yasuo Tahara, Hiroshi Fujishige, Akira Ikeda, Setsuo Takaki |
2004-08-17 |
| 6641682 |
Method for manufacturing an aperture grill material for color picture tube |
Takahiko MIYAZAKI, Susumu Shigemasa, Yasuo Tahara |
2003-11-04 |
| 6617776 |
Color picture tube shadow mask material |
Takahiko MIYAZAKI, Susumu Sigemasa, Yasuo Tahara, Hironao Okayama |
2003-09-09 |
| 6583545 |
Aperture grill material for color picture tube, production method thereof, aperture grill and picture tube |
Hironao Okayama, Susumu Sigemasa, Yasuo Tahara |
2003-06-24 |
| 6306229 |
Method for production of invar alloy steel sheet material for shadow mask |
Hironao Okayama, Hiroaki Ikenaga, Susumu Shigemasa, Yasuo Tahara, Taizo Sato +1 more |
2001-10-23 |
| 4729789 |
Process of manufacturing an extruder screw for injection molding machines or extrusion machines and product thereof |
Kazunori Nakano, Masaru Inoue, Yoshikazu Kondo |
1988-03-08 |
| 4427446 |
Corrosion-resistant and abrasive wear-resistant composite material for centrifugally cast linings |
Tsuyoshi Miura, Yutaka Arakida, Yoshikazu Kondo |
1984-01-24 |
| 4194900 |
Hard alloyed powder and method of making the same |
Ken-ichi Takagi, Michio Watanabe, Seiichi Ohhira, Masahito Fukumori, Yoshikazu Kondo |
1980-03-25 |