Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D539684 | Alcohol sensor | Hanae Kitamura | 2007-04-03 |
| D521402 | Body composition meter | Tatsutoshi Kobayakawa | 2006-05-23 |
| D520892 | Body composition monitor | Tatsutoshi Kobayakawa | 2006-05-16 |
| D369643 | Fishing reel | Katsuhiro Moriya | 1996-05-07 |
| D368513 | Rotor frame for fishing reel | Katsuhiro Moriya | 1996-04-02 |
| D309936 | Fishing reel | Etsuo Hiraishi | 1990-08-14 |
| D309171 | Fishing reel | Etsuo Hiraishi | 1990-07-10 |
| D309172 | Fishing reel | Etuso Hiraishi | 1990-07-10 |
| D307622 | Fishing reel | Etsuo Hiraishi | 1990-05-01 |
| D300844 | Fishing reel | Etsuo Hiraishi | 1989-04-25 |
| D300054 | Fishing reel | Etsuo Hiraishi | 1989-02-28 |
| D299848 | Fishing reel | Etsuo Hiraishi | 1989-02-14 |
| D299679 | Fishing reel handle | Kiyoshi Hoshino | 1989-01-31 |
| D294623 | Fishing reel | Masakazu Sakamoto | 1988-03-08 |
| D294516 | Fishing reel | Masakazu Sakamoto | 1988-03-01 |
| D293702 | Fishing reel | Masakazu Sakamoto | 1988-01-12 |
| D291346 | Fishing reel | Masakazu Sakamoto | 1987-08-11 |
| D280883 | Portable electric drill | Masakazu Sakamoto, Etsushi Yamamoto | 1985-10-08 |
| D280797 | Portable electric drill | Masakazu Sakamoto, Juzaburo Monobe | 1985-10-01 |