Please read the following table in HTML format from a webpage and then answer the question in detail according to the table. Each table cell is defined by a <td> and a </td> tag. Each table row starts with a <tr> and ends with a </tr> tag. 'rowspan=m' and 'colspan=n' represents a cell spaning over 'm' rows and 'n' columns.

Webpage title:
List of Deep champions
Table title:
Featherweight
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > No. </th><th colspan=1 rowspan=1 > Name </th><th colspan=1 rowspan=1 > Event </th><th colspan=1 rowspan=1 > Date </th><th colspan=1 rowspan=1 > Defenses </th></tr>
<tr> <th colspan=1 rowspan=1 > 1 </th><td class="highlighted"  colspan=1 rowspan=1 > Japan Masakazu Imanari def. Yoshiro Maeda </td><td colspan=1 rowspan=1 > DEEP 22 Impact Tokyo, Japan </td><td colspan=1 rowspan=1 > December 2, 2005 </td><td colspan=1 rowspan=1 > 1. def. Tsuyoshi Yamazaki at DEEP 26 Impact on Oct 10, 2006 in Tokyo, Japan </td></tr>
<tr> <th colspan=1 rowspan=1 > 2 </th><td colspan=1 rowspan=1 > Japan Dokonjonosuke Mishima </td><td colspan=1 rowspan=1 > DEEP 35 Impact Tokyo, Japan </td><td colspan=1 rowspan=1 > May 19, 2008 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <th colspan=1 rowspan=1 > 3 </th><td colspan=1 rowspan=1 > Japan Takafumi Otsuka </td><td colspan=1 rowspan=1 > Deep: 43 Impact Tokyo, Japan </td><td colspan=1 rowspan=1 > August 23, 2009 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <th colspan=1 rowspan=1 > 4 </th><td colspan=1 rowspan=1 > Japan Koichiro Matsumoto </td><td colspan=1 rowspan=1 > DEEP 48 Impact Tokyo, Japan </td><td colspan=1 rowspan=1 > July 3, 2010 </td><td colspan=1 rowspan=1 > 1. def. Tatsunao Nagakura at DEEP 55 Impact on Aug 26, 2011 in Tokyo, Japan </td></tr>
<tr> <td colspan=5 rowspan=1 > Koichiro Matsumoto retired on August 26, 2011, thereby vacating the title. </td></tr>
<tr> <th colspan=1 rowspan=1 > 5 </th><td colspan=1 rowspan=1 > Japan Kazunori Yokota def. Hideki Kadowaki </td><td colspan=1 rowspan=1 > DEEP 57 Impact Tokyo, Japan </td><td colspan=1 rowspan=1 > February 18, 2012 </td><td colspan=1 rowspan=1 > 1. def. Katusnori Tsuda at DEEP 66 Impact on Apr 29, 2014 in Tokyo, Japan </td></tr>
<tr> <td colspan=5 rowspan=1 > Kazunori Yokota vacated the title in May 2016 when he left to compete for ONE Championship. </td></tr>
<tr> <th colspan=1 rowspan=1 > 6 </th><td class="highlighted"  colspan=1 rowspan=1 > Japan Masakazu Imanari (2) def. Tatsunao Nagakura </td><td colspan=1 rowspan=1 > DEEP Cage Impact 2016: DEEP vs. WSOF-GC Tokyo, Japan </td><td colspan=1 rowspan=1 > December 17, 2016 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=5 rowspan=1 > Imanari vacated the title for unknown reasons. </td></tr>
<tr> <th colspan=1 rowspan=1 > 7 </th><td colspan=1 rowspan=1 > Japan Hiroto Uesako def. Koichi Ishizuka </td><td colspan=1 rowspan=1 > DEEP Cage Impact 2017: At Korakuen Hall Tokyo, Japan </td><td colspan=1 rowspan=1 > July 15, 2017 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <th colspan=1 rowspan=1 > 8 </th><td colspan=1 rowspan=1 > Japan Takahiro Ashida </td><td colspan=1 rowspan=1 > DEEP 81 Impact Tokyo, Japan </td><td colspan=1 rowspan=1 > December 23, 2017 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <th colspan=1 rowspan=1 > 9 </th><td colspan=1 rowspan=1 > Japan Satoshi Yamasu </td><td colspan=1 rowspan=1 > DEEP 86 Impact Tokyo, Japan </td><td colspan=1 rowspan=1 > October 27, 2018 </td><td colspan=1 rowspan=1 >  </td></tr>
</table>
Question:
What honor did Masakazu Imanari achieve twice by defeating Tatsunao Nagakura and Yoshiro Maeda?
Answer:
Masakazu Imanari was a two-time DEEP featherweight champion.