Tokyo's manufacturing includes a wide variety of industries that are characteristic of the different regions within Tokyo. For details, please see Regional features
There are 12,780 manufacturing establishments in Tokyo. The largest of these is printing and related industries with 2,403 establishments, followed by metal products and manufacturing machinery. Transportation equipment accounts for the largest portion of shipments, followed by printing and related industries, and information and communications equipment.＜table 1＞
90% of the manufacturers in Tokyo have 30 employees or fewer. At 56.1%, over half of the establishments have 1-4 employees. In this way, Tokyo's manufacturing is distinctive in its high proportion of small and medium-sized companies.
Among these small and medium-sized companies, there are many that use advanced technology and innovative ideas to add great value. In addition, Tokyo is home to many small and medium-sized companies and research and development companies that specialize in high-mix/low-volume, fast delivery, and prototyping, taking advantage of the close proximity of universities, research institutions, and major companies.＜table 2＞
There are many businesses working in new fields, but among them the health, medical, and welfare field and new energies and environmental field are attracting particular attention.＜table 3＞
The Japanese medical market is the second largest in the world after the United States. The aging population and the home medical care associated with it, as well as the increase in chronic diseases are all cited as growth factors for the medical market.
With the enhancement of environmental measures to combat global warming, the environmental market has expanded in Japan as well. The market in Japan is the third largest in the world after the United States and China. It is valued at about $400 billion US (as of 2009), and is growing at a rate of 30% annually. It is said that it will reach $1 trillion US by the year 2020.
This survey was carried out among 5,000 manufacturing companies of Tokyo(except the islands) in 2012.
Tokyo Metropolitan Government, Bureau of Industrial and Labor Affairs, Survey of Locaiotn of Munufacturing Industry.
http://www.sangyo-rodo.metro.tokyo.jp/monthly/rittikankyou.pdf(Japaneese text only)
Tokyo Metropolitan Government, Bureau of Industrial and Labor Affairs, Industry and Employment in Tokyo,－ A Graphic Overview －, 2015
Tokyo Metropolitan Government, Bureau of Industrial and Labor Affairs, Policy Research, Survey of Locaiotn of Munufacturing Industry, (February, 2013)