| Jan. | 1918 | Started production of gelatin and glue introduced the industrial production methods of Europe and U.S.A. for the first time in Japan. |
| Jan. | 1935 | Completion of Yao Factory |
| Feb. | 1945 | Established Nitta Glue and Gelatin Co., Ltd. |
| Apr. | 1960 | Changed the name to Nitta Gelatin Inc. |
| May | 1962 | Started Engineering Division Maintenance Department Of Gelatin Production Equipment became independent |
| Feb. | 1968 | Established Hikone Gelatin Co., Ltd. |
| Mar. | 1971 | Adhesives Division started |
| Aug. | 1974 | Food Division started |
| Apr. | 1975 | Established Kerala Chemicals & Proteins Ltd. (KCPL India) |
| Jul. | 1979 | Established Nitta Corporation of America (U.S.A.) |
| Nov. | 1982 | Established Nitta Findley Co., Ltd. |
| Jan. | 1987 | Completion of Nara Factory |
| Mar. | 1988 | Acquired the permission for Japan Pharmacopia Gelatin. |
| May | 1990 | Established Cangel Inc. (Canada) |
| Jul. | 1992 | Nitta Corporation of America changed its name to NITTA GELATIN NA INC. (NGNA) |
| Jun. | 1994 | Gelatin Division acquired ISO 9002. |
| Aug. | 1996 | Established Nitta Casings Inc. (NCI) and Nitta Casings Canada Inc. (NCCI) |
| Apr. | 1998 | Estrablished Aibis Co., Ltd. |
| Jan. | 1999 | KCPL started to produce gelatin. |
| Dec. | 1999 | Osaka Plant acquired ISO 14001. |
| Apr. | 2001 | Started to sell consumer product called “Collagenaid”. |
| Oct. | 2001 | Adhesives Division acquired ISO 9001 (2000 version) |
| Apr. | 2004 | Established Alma Corporation Inc. |
| Sep. | 2004 | Established Nitta Biolab Inc. |
| Dec. | 2004 | Established Nitta Gelatin USA, Inc. |
| Jan. | 2005 | Cangel Inc. changed its name to NITTA GELATIN CANADA INC. |
| Feb. | 2008 | Opened Hong Kong Representative Office |
| Jun. | 2008 | KCPL changed its name to NITTA GELATIN INDIA LTD. |
