| 2010- |
| 2010 |
March 17 |
KONAMI introduced its PASELI digital cash service to game arcades in Japan. |
| July 23 |
KONAMI opened its antenna shop "KONAMI STYLE". |
| September |
KONAMI expanded distribution of its social media contents for social networking services (SNS). |
| November |
KONAMI introduced "e-AMUSEMENT Participation". |
| 2011 |
January 1 |
KONAMI made TAKASAGO ELECTRIC INDUSTRY CO., LTD. a wholly-owned subsidiary through a simplified share exchange. |
| March 1 |
KONAMI made DIGITAL GOLF Inc. a wholly-owned subsidiary through a simplified share exchange. |
| April 1 |
KONAMI made HUDSON SOFT COMPANY, LIMITED a wholly-owned subsidiary through a simplified share exchange. |
| 2012 |
February 2 |
KPE·TAKASAGO Sales Co., Ltd. was established. |
| March |
Hudson Soft Company, Limited was absorbed into Konami Digital Entertainment Co., Ltd. |
| June |
| Combi Wellness Corporation was absorbed into Konami Sports & Life Co., Ltd. |
| Konami Digital Entertainment Orange County Development Studio, Inc. was established in the US. |
| Takuya Kozuki took office as President and Representative Director of KONAMI CORPORATION. |
| July |
Four athletes from Konami Gymnastic and Swimming Team participated in the London 2012 Olympic Games for Japan's national squad, winning 6 medals including the gold medal in men’s individual all-around gymnastics for Kohei Uchimura. |
| August |
Konami Digital Entertainment Pte. Ltd. was established in Singapore. |
