100 - 1000 t displacement/ BRT tonnage vessels
Aoi Maru (1935, 358, 12.1941 - 8.1945), Asahi Maru 2-go (, 1934, 283, 9.1941 - 8.1945), Ataka Maru (1921, 275, 11.1937 - 11.1938, 12.1940 - 27.7.1944), Atsu Maru (1934, 160, 8.1942 - 8.1945), Banshu Maru 18-go (1922, 264, 12.1941 - 28.7.1945), Banshu
Maru 51-go (1921, 234, 10.1940 - 8.1945), Banshu Maru 52-go (1921, 234, 10.1940
- 6.1941, 12.1941 - 20.1.1942), Banshu Maru 56-go (1936, 267, 12.1941 - 11.1.1945), Bisan
Maru (1922, 344, 9.1941 - 8.1945), Chikushi Maru (1920, 220, 12.1940 - 12.1943), Chitose Maru (1937, 245, 12.1941 -
24.3.1945), Choun Maru (1935, 330, 1941 - 1945), Choun Maru 6-go (1932,
167, 7.1941 - 1945), Choun Maru 7-go (1934, 163, 7.1941 - 14.12.1944), Choun
Maru 8-go (1933, 167, 12.1941 - 8.1945), Choun Maru 18-go (1935, 195, 12.1941 -
25.11.1944), Choun Maru 21-go (1935, 195, 12.1941 - 25.11.1944), Eguchi Maru
3-go (1925, 198, 9.1941 - 6.9.1944), Fuji Maru (1929, 230, 12.1941 - 8.1945), Fukuei Maru 7-go (1934, 282, 12.1941 - 8.1945), Fumi Maru 2-go
(1939, 300, 9.1941 - 7.1943, 9.1943 - 21.9.1944), Genchi Maru (, 525, 1941 -
26.11.1943), Hagoromo Maru (1920, 234, 12.1940 - 8.1945), Hakata Maru
1-go (1920, 272, 11.1937 - 22.11.1938), Hakata Maru 2-go (1920, 272, 11.1937 - 12.1938), Hakata Maru 3-go (1920, 265, 11.1937 - 12.1938), Hakata Maru 6-go
(1922, 262, 11.1937 - 12.1938, 12.1940 - 10.10.1944), Hakata Maru 7-go (1923, 257, 10.1937 - 11.1938, 12.1941 - 10.10.1944), Haraji Maru (1927, 555, 12.1942 -
26.11.1943), Himeshima Maru (1927, 274, 12.1941 - 8.1945), Hinode Maru 17-go
(1919, 235, 10.1940 - 11.4.1945), Hinode Maru 18-go (1920, 235, 10.1941 -
26.7.1945), Hinode Maru 20-go (1930, 281, 12.1941 - 31.8.1944), Hoei Maru
(1919, 219, 12.1941 - 29.9.1944), Kaiyo Maru (1911, 212, 1941 - 1.10.1944), Keijin Maru 1-go (1937, 433, 12.1941 - 8.1945), Keijin
Maru 2-go (1937, 433, 12.1941 - 8.1945), Keijin Maru 3-go (1937, 433, 2.1942
- 14.7.1945), Keijin Maru 5-go (1937, 433, 12.1941 - 8.1945), Keinan Maru
(1928, 316, 9.1941 - 25.1.1945), Kiri Maru 5-go (1937, 335, 9.1941 -
30.3.1945), Koho Maru 1-go (1936, 274, 6.1942 - 8.1945), Koho Maru 2-go
(1934, 252, 6.1942 - 11.4.1945), Kongo Maru 2-go
(1922, 216, 10.1940 - 10.8.1945), Kozan Maru (1934, 277, 12.1941 - 8.1945), Kyo Maru 1-go (1937, 340, 11.1941 - 15.1.1945), Kyo Maru
3-go (1938, 341, 11.1941 - 26.2.1943), Mamiya Maru (1930, 397, 11.1937 - 6.1938), Meshima Maru (1928, 336, 9.1941 -
26.4.1945), Misago Maru 1-go (1920, 265, 12.1940 - 13.4.1945), Misago Maru
3-go (1921, 267, 12.1940 - 27.5.1945), Misago Maru 8-go (1922, 281, 12.1941 -
12.10.1944), Misago Maru 11-go (1928, 318, 9.1941 - 12.11.1943), Miyo Maru (1937, 335, 10.1941 - 8.1945), Musashi Maru
(1920, 227, 12.1941 - 23.9.1944), Naruo Maru (1922, 216, 11.1940 - 25.12.1943), Noshiro Maru 2-go
(1923, 216, 12.1940 - 17.4.1944), Oi Maru (1939, 396, 9.1941 - 5.1944), Otowa Maru (1920,
220, 10.1940 - 12.1.1945), Ranzan Maru (1920, 219, 12.1940 - 8.1945), Reisui
Maru (1920, 219, 12.1941 - 25.12.1944), Rikuzen Maru (1920, 221, 12.1940 -
26.7.1945), Rokko Maru (1919, 225, 12.1941 - 16.10.1944), Rumoi Maru
(1920, 220, 11.1940 - 8.1945), Sakaki Maru
(1934, 275, 8.1942 - 8.1945), Seki Maru (1937, 297, 9.1941 - 24.3.1945),
Seki Maru 3-go (1939, 300, 9.1941 - 8.1945), Senyu Maru 2-go
(1934, 301, 9.1941 - 8.1945), Senyu Maru 3-go (1936, 327, 9.1941 - 8.1945), Shimpo Maru
(1936, 294, 1941 - 10.10.1944), Shintohoku Maru (1925, 352, 9.1941 - 10.8.1945), Shinura Maru (1936, 294, 12.1941 - 10.10.1944), Shonan Maru 16-go (1940, 354, 9.1941 - 24.3.1945), Showa Maru 7-go
(1936, 264, 9.1941 - 24.1.1945), Showa Maru 8-go (1936, 264, 9.1941 -
15.6.1944), Showa Maru 10-go (1936, 264, 12.1941 - 8.1945), Sonobe Maru (1920,
220, 12.1940 - 14.7.1945), Taian Maru (1930, 199, 12.1941 - 8.1945), Taihei Maru
3-go (1930, 197, 12.1941 - 8.1945), Taisei Maru (1932, 228, 9.1941 - 8.1945),
Taito Maru (1932, 267, 9.1941 - 16.8.1944), Takao Maru (1920, 220, 12.1941 -
25.2.1943), Takasago Maru (1921, 275, 11.1937 - 24.9.1944),
Takashima Maru 2-go (1933, 161, 9.1941 - 8.1942), Takashima Maru 3-go (1933, 161, 10.1941 - 8.1945), Takunan Maru 1-go (1937, 343, 9.1941 - 10.10.1944), Takunan
Maru 3-go (1937, 343, 4.1941 - 5.1944), Takunan Maru 8-go
(1937, 343, 4.1941 - 5.1944), Tama Maru (1936, 264, 8.1941 -
6.5.1942), Tama Maru (1939, 396, 9.1941 - 5.1944), Tama Maru 2-go
(1936, 264, 8.1941 - 12.3.1942), Tama Maru 3-go (1936, 257, 9.1941 -
30.1.1944), Tama Maru 5-go (1936, 257, 9.1941 - 30.1.1944), Tama Maru 6-go (1936, 275, 4.1941 - 5.1944), Tama Maru 7-go (1936, 275, 4.1941 - 5.1944), Tamasono Maru 1-go
(1920, 313, 11.1937 - 8.1945), Tamasono Maru 2-go (1920, 313, 5.1938 -
14.7.1945), Tamasono Maru 3-go (1920, 316, 6.1938 - 8.9.1944), Tamura Maru
(1920, 236, 12.1940 - 8.1945), Teshio Maru (1930, 397, 10.1937 - 6.1938), Togo Maru (1923, 362, 9.1941 - 11.4.1945), Tokuho Maru 5-go
(1934, 235, 9.1941 - 8.1945), Tokuho Maru 10-go (1935, 353, 12.1941 - 8.1945), Torishima Maru (1922, 268, 12.1940 - 26.9.1944), Toshi Maru (1937, 293, 10.1941 - 8.1945), Toshi Maru 2-go (1937, 293, 10.1941 - 8.1945), Toshi Maru 5-go (1937, 298, 9.1941 - 4.7.1944), Toshi Maru 7-go
(1937, 297, 9.1941 - 22.7.1945), Toshi Maru 8-go (1937, 298, 9.1941 -
1.9.1944), Tsukushi Maru (1920, 220, 1940 - 30.9.1943), Yachiyo Maru (1937, 271, 12.1941 - 8.1945), Yawata Maru (1922, 267, 11.1937 - 11.1938, 12.1940 - 6.1941), Yoshino Maru (1920, 220, 12.1940 - 14.5.1945),
Yoshitomo Maru 12-go (1934, 209, 10.1941 - 25.5.1942), Yuki Maru (1929, 389, 11.1937 -
9.12.1937)
Standard scale images
Tama Maru 6-go 1941 100 - 1000 BRT
Project history
Commercial vessels, mostly trawlers and whalers, converted to gunboats.
Modernizations
None.