| Number | Date | Country | Kind |
|---|---|---|---|
| 2017-023790 | Oct 2017 | JP | national |
| 2017-023791 | Oct 2017 | JP | national |
| Number | Name | Date | Kind |
|---|---|---|---|
| 3602846 | Hauser | Aug 1971 | A |
| 3762039 | Douglass | Oct 1973 | A |
| D259560 | Mochizuki | Jun 1981 | S |
| D259782 | Mochizuki | Jul 1981 | S |
| D259783 | Mochizuki | Jul 1981 | S |
| D260091 | Mochizuki | Aug 1981 | S |
| 4663833 | Tanaka | May 1987 | A |
| D345731 | Owens | Apr 1994 | S |
| D357901 | Horman | May 1995 | S |
| D358806 | Siegel | May 1995 | S |
| D359028 | Siegel | Jun 1995 | S |
| 5557504 | Siegel | Sep 1996 | A |
| D394244 | Majumdar | May 1998 | S |
| D396211 | Enomoto | Jul 1998 | S |
| D396212 | Enomoto | Jul 1998 | S |
| D396213 | Enomoto | Jul 1998 | S |
| D396847 | Nakayama | Aug 1998 | S |
| 5798570 | Watanabe | Aug 1998 | A |
| D421421 | Kashio | Mar 2000 | S |
| D427977 | Takizawa | Jul 2000 | S |
| 6093957 | Kwon | Jul 2000 | A |
| D432097 | Song | Oct 2000 | S |
| 6238953 | Tanaka | May 2001 | B1 |
| D448739 | Iwasaki | Oct 2001 | S |
| D466485 | Maehara | Dec 2002 | S |
| D466873 | Kasem | Dec 2002 | S |
| D472528 | Kasem | Apr 2003 | S |
| D473199 | Sako | Apr 2003 | S |
| 6555899 | Chung | Apr 2003 | B1 |
| D476962 | Yoshihira | Jul 2003 | S |
| D480371 | Sako | Oct 2003 | S |
| 6992386 | Hata | Jan 2006 | B2 |
| D539761 | Takahashi | Apr 2007 | S |
| D548202 | Takahashi | Aug 2007 | S |
| D548203 | Takahashi | Aug 2007 | S |
| D717253 | Jo | Nov 2014 | S |
| D717254 | Jo | Nov 2014 | S |
| D717255 | Lim | Nov 2014 | S |
| D717256 | Sohn | Nov 2014 | S |
| D719113 | Sohn | Dec 2014 | S |
| D770994 | Hasegawa | Nov 2016 | S |
| D783550 | Hasegawa | Apr 2017 | S |
| D824866 | Matsubara | Aug 2018 | S |