Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5957189 | Apparatus and method for sequentially feeding quantities of sand into a mold space and subjecting the space to evacuation and then pressure increase after each feed | Masayoshi Kasazaki, Hisashi Harada, Kazuo Sugimoto | 1999-09-28 |
| 5887639 | Method and apparatus for manufacturing gas-hardened molds | Masayoshi Kasazaki, Hisashi Harada, Kazuo Sugimoto | 1999-03-30 |
| 5881794 | Apparatus and method for producing shell-like molds | Hisashi Harada, Kazuo Sugimoto | 1999-03-16 |
| 5850867 | Method of making cores with molding sand | Masayoshi Kasazaki, Hisashi Harada, Kazuo Sugimoto | 1998-12-22 |
| 5839498 | Method for connecting cores by charging connecting sand into them | Masayoshi Kasazaki, Hisashi Harada, Kazuo Sugimoto | 1998-11-24 |
| 5829511 | Cores formed with connecting cavities for receiving connecting sand | Masayoshi Kasazaki, Hisashi Harada, Kazuo Sugimoto | 1998-11-03 |
| 5695000 | Apparatus for producing molds | Ukichi Oishi, Ryoji Kanayama, Hironobu Amano, Tokiya Terabe | 1997-12-09 |
| 5558148 | Method of producing molds | Ukichi Oishi, Ryoji Kanayama, Hironobu Amano, Tokiya Terabe | 1996-09-24 |
| 4781236 | Method of and device for producing mold core | Isao Atsumi, Kimikazu Kaneto, Hisashi Harada, Kunihiro Hashimoto, Osamu Motomatsu | 1988-11-01 |
| 4633928 | Apparatus for making core from green sand | Shigeru Itoh, Ryoji Kanayama, Hisashi Harada, Yasutaro Kawamura | 1987-01-06 |
| 4566521 | Moulding apparatus for making gas hardened sand mould | Toshihisa Komori, Kazuharu Matui, Shigehiro Toyoda | 1986-01-28 |
| 4561485 | Core making machine for making hollow core | Yasutaro Kawamura, Ryoji Kanayama, Hisashi Harada | 1985-12-31 |
| 4538665 | Molding box apparatus | Toshihisa Komori, Kazuharu Matui, Shigehiro Toyoda | 1985-09-03 |
| 4531565 | Gas hardening type molding machine | Kazuharu Matui, Shigehiro Toyoda, Katuro Hikita | 1985-07-30 |
| 4467855 | Method of making mold | Toshihisa Komori, Kazuharu Matui, Shigehiro Toyoda | 1984-08-28 |
| 4289194 | Molding machine | Yasutaro Kawamura, Kimikazu Kaneto, Masaharu Hasizume | 1981-09-15 |
| 4230172 | Molding apparatus with a compressed air squeeze plate | Yasutaro Kawamura, Kimikazu Kaneto, Masaharu Hasizume | 1980-10-28 |