Hatake Hotoke expands Mizunigol rice-field weeding robot to 42 prefectures
Hatake Hotoke said its Mizunigol rice-field weeding robot has expanded to 42 of Japan's 47 prefectures, covering 89.4% of the country by prefecture count.

Evidence notes
- Mizunigol is a GPS-equipped autonomous paddy-field weeding robot.
- The remaining five prefectures are Osaka, Kagawa, Kochi, Nagasaki and Miyazaki.
- The company frames the expansion as growing demand from larger rice farms.