| Business Name | Hamada-ya Inc. |
| Main Office Address | Grace Sangenjyaya 102, Sangenjyaya 2-17-11, Setagaya-ku, Tokyo 154-0024 |
| Officers | President / Representative Director Yutaka Hamada |
| Date of Establishment | November 1, 2001 |
| Capital | 3 Million Yen |
| Number of Employees | 57 (As of August 2021) |
| Company Information | Bread Manufacturing and Sales |
| Accounting Period | October |
| November 2001 | Hamada-ya opens in Sangenjyaya. |
| May 2005 | Mitsuru opens in Akebonobashi. |
| May 2005 | Hamada-ya opens at Mitsuwa's Torrance location (Los Angeles). |
| October 2005 | The second Mitsuru store opens at ecute Shinagawa (Shinagawa, Tokyo). |
| May 2009 | Hamada-ya opens at Mitsuwa's Costa Mesa location (Los Angeles). |
| June 2009 | The third Mitsuru store opens at ecute Nippori (Nippori, Tokyo). |
| September 2009 | 104cafe opens at Lalaport SHIN MISATO. |
| September 2010 | Due to relocation, 104cafe Lalaport SHIN MISATO is closed. The store name is changed, and opens at Tamagawa Takashimaya as 14 TOYO CAFE BREAD BAR & DIP. |
| May 2011 | The Hamada-ya Taishido Store opens in Sangenjyaya. |
| November 2011 | Hamada-ya Bread and Coffee opens at Mitsuwa's Santa Monica location (Los Angeles). |
| December 2011 | Hamada-ya Bread and Coffee opens at Mitsuwa's Irvine location (Los Angeles). |
| April 2012 | Richu Hamada-ya opens at Shibuya Hikarie ShinQs. |
| October 2012 | The name of the 14 TOYO CAFE BREAD BAR & DIP inside Tamagawa Takashimaya is changed to Hamada-ya. |
| February 2013 | Hamada-ya Bread and Coffee opens at Mitsuwa's Torrance location (Los Angeles). |
| March 2013 | Hamada-ya Bread and Coffee opens at Mitsuwa's New Jersey location. |
| January 2014 | The name of the Hamada-ya Taishido Store in Sangenjyaya is changed to "Richu Hamada-ya Taishido Main Store." |
| September 2016 | The Richu Hamada-ya Shibuya Hikarie ShinQs Store is closed and relocated. The store is reopened as the Richu Hamada-ya Lumine Shinjuku Store. |
| January 2018 | Hamada-ya Bread and Coffee closed at Mitsuwa's Torrance location (Los Angeles). |
| March 2019 | Hamada-ya closed at Mitsuwa's New Jersey location. |
| July 2020 | Closed Mitsuwa Torrance store "Hamada-ya" in Los Angeles due to relocation Los Angeles opens Mitsuwa del Amo store "Hamada-ya" |
| July 2021 | Mitsuru store closed at ecute Shinagawa (Shinagawa, Tokyo) and ecute Nippori (Nippori, Tokyo) |