| Year | Detail |
| 1950s |
|
| 1951 |
Nihon Kohden Industries Co., Ltd. was established. |
| 1952 |
The company launched its first electric fundus (intracerebral) blood pressure monitor. |
| 1955 |
The company launched its first electronic tube recording electrocardiograph. |
| 1960s |
|
| 1960 |
The company launched its first multipurpose monitoring and recording device. |
| 1962 |
The company has established a factory in Tomioka, Gunma Prefecture, and started operations as a production subsidiary. |
| 1970s |
|
| 1972 |
Released hemocytometer MEK-1100. |
| 1976 |
The company launched its first telemeter-type patient monitoring device. |
| 1980s |
|
| 1981 |
The company has a newly founded Tsurugashima factory in Tsurugashima City, Saitama Prefecture. |
| 1982 |
The company was listed on the Tokyo Stock Exchange. |
| 1985 |
The company has launched its first comprehensive respiratory monitor. |
| 1987 |
The company has launched its first electrocardiograph with LCD monitor. |
| 1989 |
The company has launched its first electroencephalogram with filing function. |
| 1990s |
|
| 1990 |
Established a joint venture with Shanghai Photoelectric Medical Electronic Instruments Co., Ltd. to start manufacturing and selling medical electronic equipment in China. |
| 1992 |
The company name established as Nihon Kohden. |
| 1995 |
The company has acquired ISO9001 certification. |
| 1996 |
The company has founded Nihon Kohden Singapore Ltd., a local subsidiary in Singapore. |
| 2000s |
|
| 2002 |
The company established Medinet Photoelectric Medical Software (Shanghai) Co., Ltd., a software development subsidiary in China. |
| 2004 |
The company has launched ZS-940P, the first transmitter capable of wireless monitoring electrocardiogram, respiration, SpO2, and non-invasive blood pressure. |
| 2006 |
Established Nihon Kohden Firenze Co., Ltd. |
| 2007 |
The company launched an intraoperative neurological function monitoring device. |
| 2010s |
|
| 2010 |
The company has established Nihon Kohden UK, a sales subsidiary in the U.K. |
| 2011 |
The company has established Nihon Kohden India Co., Ltd., a sales subsidiary in India. |
| 2013 |
The company launched CHM-4100, a clinical chemistry analyzer for measuring hemoglobin A1c and C-reactive protein. |
| 2014 |
The company launched the BSM-1700 series, a compact and lightweight bedside monitor system that helps to refer and monitor patient data during transportation within the hospital. |
| 2016 |
The company founded Nihon Kohden Shikoku Co., Ltd. |
| 2018 |
The company unveiled its MEK-1303, an all-in-one, fully automatic blood cell counting and immune reaction measurement device. |
| 2019 |
The East Japan Logistics Center established in Sakado City. |
| 2020s |
|
| 2021 |
The company acquired Amp3D Co., Ltd. and became a subsidiary in the U.S. |
| 2022 |
The company acquired Software Team Co., Ltd. and became a subsidiary in Italy. |