|
| US4259933 | 15 May 1979 | 7 Apr 1981 | Toyota Jidosha Kogyo Kabushiki Kaisha | Combustion chamber of an internal combustion engine |
| US4284044 | 3 May 1979 | 18 Aug 1981 | Toyota Jidosha Kogyo Kabushiki Kaisha | Combustion chamber of an internal combustion engine |
| US4289099 | 17 May 1979 | 15 Sep 1981 | Toyota Jidosha Kogyo Kabushiki Kaisha | Combustion chamber of an internal combustion engine |
| US4300499 | 15 May 1979 | 17 Nov 1981 | Toyota Jidosha Kogyo Kabushiki Kaisha | Combustion chamber of an internal combustion engine |
| US5941221 | 18 Aug 1998 | 24 Aug 1999 | | Reciprocating engine combustion chamber |
