January 25, 1858|
Toba, Mie prefecture, Japan
|Died||September 21, 1954
|Resting place||Aoyama Cemetery in Aoyama, Minato, Tokyo, Japan|
|Occupation||Cultured pearl farmer, Founder of Mikimoto Pearl Company|
|Known for||Inventor of cultured pearls
The Mikimoto Crown
Mikimoto Kōkichi (御木本 幸吉, 25 January 1858 – 21 September 1954) was a Japanese entrepreneur who is credited with creating the first cultured pearl and subsequently starting the cultured pearl industry with the establishment of his luxury pearl company Mikimoto.
Kokichi's company was awarded patents for pearl cultivation and in 1985 to commemorate the 100th anniversary of the patent system he was selected as one of Japan's top 10 inventors. He was inducted into the house of peers by imperial decree and posthumously awarded the Grand Cordon of the Order of the Sacred Treasure. The Mikimoto company was ranked as one of the worlds most luxury brands by WWD and Mikimoto Kokichi was considered one of the best Japanese financial leaders of the 20th century by Nihon Keizai Shimbun. He is also known as the founder of Mikimoto Pharmaceuticals, a company specialising in beauty products containing pearl calcium. Mikimoto Pearl Island is named after him. In addition, the reputed "Phoenix Mikimoto Crown" used by former Miss Universe winners is credited to his patented work.
On 25 January 1858, Mikmoto was born in Toba, Shima Province (present-day Mie prefecture). Mikimoto's father was an udon shop owner. Mikimoto was the eldest son. At age 11, Mikimoto's father fell ill. He left school at the age of 13 and sold vegetables to support his family. Seeing the pearl divers of Ise unloading their treasures at the shore in his childhood started his fascination with pearls. 
Pioneering cultured pearls
In 1888, Mikimoto obtained a loan to start his first pearl oyster farm at the Shinmei inlet on Ago Bay in Mie prefecture with his wife and partner Ume. On 11 July 1893, after many failures and near bankruptcy, he was able to create the hemispherical cultured pearls. He introduced these mabes at a marine products exposition in Norway in 1897 and began an export business. However, it took him another 12 years to create completely spherical pearls that were indistinguishable from the highest quality natural ones, and commercially viable harvests were not obtained until the 1920s. In 1927, Mikimoto met with inventor, Thomas Edison, who was in awe of Mikimoto's cultured pearls as it was "supposed to be biologically impossible".
Mikimoto did not know that government biologist Tokichi Nishikawa and a carpenter, Tatsuhei Mise, had each spent time in Australia and learned the secret to spherical pearl production from expatriate British marine biologist William Saville-Kent — inserting a piece of oyster epithelial membrane (the lip of mantle tissue) with a nucleus of shell or metal into an oyster's body or mantle causes the tissue to form a pearl sack. The sack produces nacre, which coats the nucleus, thus creating a pearl. Mise received a 1907 patent for this grafting needle. When Nishikawa applied in the same year, he realized that Mise had already secured a patent. In a compromise, the pair agreed to cooperate, calling their discovery the "Mise-Nishikawa method".
Mikimoto had received a patent in 1896 for producing hemispherical pearls, or mabes, and a 1908 patent for culturing in mantle tissue, but he could not use the Mise-Nishikawa method without invalidating his own patents. Mikimoto then altered his patent application to cover a technique to make round pearls in mantle tissue, which was granted in 1916. However, this method was not commercially viable. Mikimoto finally made arrangements to use Nishikawa's methods after 1916, and Mikimoto's business began to expand rapidly.
The new technology enabled Japan's cultured pearl industry to quickly expand after 1916; by 1935 there were 350 pearl farms in Japan producing 10 million cultured pearls annually.
Mikimoto Pearl Company
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In 1899, the first Mikimoto pearl shop opened in the fashionable Ginza district of Tokyo selling natural seed pearls and half round pearls. The Mikimoto business expanded internationally, opening stores in London (1913).
By 1935, the Japanese pearl industry was facing oversupply issues and plummeting prices for Japanese cultured pearls. Mikimoto promoted Japanese pearls in Europe and the USA to counteract falling prices. He publicly burnt tons of low-quality pearls as a publicity stunt to establish a reputation that the Mikimoto company only sold high-quality cultured pearls.
After World War II, Mikimoto opened stores in Paris, New York City, Chicago, Boston, Los Angeles, San Francisco, Shanghai and Bombay, and was thus one of the first Japanese brands to attain an international presence and recognition.
Mikimoto had to constantly fight allegations that his pearls were only “imitations” of real pearls, despite scientific reports to the contrary. Mikimoto took advantage of every opportunity to personally promote his pearls, and took part in the 1926 Philadelphia World Exposition in which he displayed a replica of the "Liberty Bell" covered with pearls.
In 2010/2011, the company's estimated total sales were €300 million.
Mikimoto's wife was Ume, who was also his partner in creating the cultured pearl.  Mikimoto and his wife have five children.  Mikimoto's children are Rui (eldest daughter), Mine (second daughter), Yo (third daughter), Ai (youngest daughter), and Ryuzo (son). On 21 September 1954, Mikimoto died. He was 96. Mikimoto's personal memorabilia is displayed at Mikimoto Pearl Island Memorial Hall, a museum in Toba, Japan.  
- Mikimoto Pearl Island - Mikimoto Kōkichi's Memorial Hall is on this island.
- Order of the Sacred Treasure
- Joyce, Kristin and Addison, Shellei. Pearls: Ornament and Obsession. New York, NY: Simon & Schuster, 1993.
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- Chevalier, Michel (2012). Luxury Brand Management. Singapore: John Wiley & Sons. ISBN 978-1-118-17176-9.
- "Mikimoto and Wife Ume of Pearl Island". karipearls.com. Retrieved June 10, 2017.
- Kim, Svetlana (20 November 2012)"Kokichi Mikimoto's Unforgettable Dream". alist-magazine.com. Retrieved June 10, 2017.
- "Mikimoto Pearl Island Memorial Hall". karipearls.com. Retrieved June 10, 2017.
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