| 1952 |
Showa27 |
Established Nikko Ebonite Mfg. & Co., Ltd. |
| 1957 |
Showa32 |
Established Nikko Ebonite Mfg. Co., Ltd. |
| 2007 |
Heisei19 |
Exhibited at the Tokyo Industry Exhibition held at Tokyo Big Sight. |
| 2008 |
Heisei20 |
Succeeded with coloring and marbling of ebonite. |
| 2008 |
Heisei20 |
Received approval for the Business Innovation Plan from the Tokyo metropolitan government. |
| 2008 |
Heisei20 |
Filed utility model registration for the special tool for manual therapists “2WAY THERAWEDGE” (Co-registered with the Tokyo Metropolitan University). |
| 2009 |
Heisei21 |
Won the Encouragement Prize for the Joint Development Category of the TASK Monozukuri Taishou (“Manaka Custom” compound harmonica). |
| 2009 |
Heisei21 |
Started the sales of original ebonite fountain pens. |
| 2009 |
Heisei21 |
Opened the web shop “Eboya in Tokyo Shitamachi.” |
| 2009 |
Heisei21 |
Started the sales of ebonite guitar picks. |
| 2010 |
Heisei22 |
Won the Encouragement Prize for the Joint Development Category of the TASK Monozukuri Taishou (Ebonite Buckle). |