or call the brand consultation number, and most Japanese brands will tell you the production date of this product.

Extended information:

Okamoto is a brand owned by Okamoto Co., Ltd., a world-famous rubber latex product, which was founded in 1934. Mainly engaged in the business of rubber, plastics and synthetic products, especially the leader of Japanese condom industry, and was honored as the "godfather of Japanese condoms."

according to China trademark network, okamoto trademark belongs to okamoto co., ltd., the date of trademark application is June 9, 1995, and the date of registration announcement is February 7, 1997.