| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Japan | 16 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Pistons and sealings | |
| #2 | Internal-combustion piston engines | |
| #3 | Special machines | |
| #4 | Lubricating of machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Akita Hiroaki | 16 |
| #2 | Ono Masaaki | 4 |
| #3 | Okazaki Yoshimichi | 2 |
| #4 | Sato Wataru | 1 |
| #5 | Fukawa Soji | 1 |
| #6 | Tsutsumi Toshio | 1 |
| Publication | Filing date | Title |
|---|---|---|
| JPH04102765A | Cylinder head casket | |
| JPS6114452A | Gasket for exhaust manifold | |
| JPS60173321A | Cover member for internal-combustion engine | |
| JPS60173322A | Cover member for internal-combustion engine | |
| JPS60162037A | Cylinder head gasket | |
| JPS59229036A | Gasket for exhaust manifold | |
| JPS59229037A | Gasket for exhaust manifold | |
| JPS59218343A | Cylinder head gasket | |
| JPS59218344A | Cylinder head gasket | |
| JPS59121258A | Cylinder head gasket | |
| JPS59121259A | Sealing method | |
| JPS59113372A | Gasket for cylinder head | |
| JPS591873A | Grommet | |
| JPS591872A | Gasket | |
| JPS59553A | Cylinder head gasket | |
| JPS58225268A | Cylinder, head and gasket |