The Great Britain Sasakawa Foundation has announced that the next applications deadline for its grants making programme is the 15th December 2017. Through its grant making programme cultural organisations, universities and schools; etc. that wish to develop links with Japan and Japanese schools are able to apply for funding. The Foundation's grants average £1,500 to £2,000 and do not normally exceed £5,000-£6,000 for larger-scale projects. Grants are available to support the study of the Japanese language and culture, School, Education and Youth exchanges.
You can read more about the grant criteria and previous projects funded on the website: http://www.gbsf.org.uk/