Patents & Utility Models
| AN: JP 1993-343820 | Pat. No.3429828 |
| Inventor: Isamu Katayama | Filing: December 17, 1993 |
| Release: July 11, 1995 | PN: 1995-171795 |
The magnet pin and the transcript disk are used, and an epoch-making system of dieboard and counter plate that does positioning easily and accurately.
| AN: JP 1993-343820 | Pat. No.3429828 |
| Inventor: Isamu Katayama | Filing: December 17, 1993 |
| Release: July 11, 1995 | PN: 1995-171795 |
| AN: JP 1994-251272 | Pat. No.3611046 |
| Inventor: Isamu Katayama | Filing: September 19, 1994 |
| Release: April 9, 1996 | PN: 1996-90497 |
It is a system that installs the blade formed on the frame in the base plate accurately. Because many install the hall in the base plate, the blade can be easily installed.
| AN: JP 1994-251272 | Pat. No.3611046 |
| Inventor: Isamu Katayama | Filing: September 19, 1994 |
| Release: April 9, 1996 | PN: 1996-90497 |
| AN: JP 1996-136741 | Pat. No.3730708 |
| Inventor: Isamu Katayama/Takehisa Nakamura | Filing: May 30, 1996 |
| Release: December 9, 1997 | PN: 1997-314698 |
The Blanking Tool was used easily and it kept cheap. It is a system that gave the offer with unit of structure part of lattice and the device that can be installed with Velcro to use the frame in the under effectively.
| AN: JP 1996-136741 | Pat. No.3730708 |
| Inventor: Isamu Katayama/Takehisa Nakamura | Filing: May 30, 1996 |
| Release: December 9, 1997 | PN: 1997-314698 |