Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D818955 | Engine operated generator | — | 2018-05-29 |
| D759124 | Electrically-powered snowplow | So Nakaura | 2016-06-14 |
| 8117756 | Bush cutter | Tomomi Nakaya | 2012-02-21 |
| D648754 | Lawn mower | — | 2011-11-15 |
| D604333 | Snow plow and/or replica thereof | Misako Hamani | 2009-11-17 |
| D554155 | Snowplow | — | 2007-10-30 |
| D527019 | Internal combustion engine | Hirohide Shimizu, Masayuki Ohsumi, Masahiro Anzai | 2006-08-22 |
| 7051461 | Walk-behind working machine | Tomoki Itou, Ai Amano, Seishu Sakai, Masatoshi Nagaoka, Takahiro Yamamoto | 2006-05-30 |
| D500053 | Snowplow | Junya Inukai | 2004-12-21 |
| D498770 | Snow thrower | — | 2004-11-23 |
| D486502 | Power cultivator | Masahiro Anzai, Makoto Uchimi | 2004-02-10 |
| D481042 | Internal-combustion engine | Makoto Uchimi | 2003-10-21 |
| D481043 | Internal-combustion engine | Makoto Uchimi | 2003-10-21 |
| D475067 | Power tiller | Jun Ito | 2003-05-27 |
| D463448 | Outboard motor | Masayuki Osumi, Masahiro Anzai, Koichi Azuma | 2002-09-24 |
| D463447 | Outboard motor cowl | Masayuki Osumi, Masahiro Anzai, Koichi Azuma | 2002-09-24 |
| D441714 | Power generator | — | 2001-05-08 |
| D409121 | Power driven wheelchair | Shuhei Imai, Masahiro Anzai | 1999-05-04 |