Biplane fighter aces

Japan

Japan produced at least five biplane fighter aces during Second World War.

Biplane fighter aces:

Name Biplane victories Total no. of victories Note
Yoshi-o Fukui 5 9 All biplane victories claimed during the Sino-Japanese War.
Yonesuke Fukuyama 6 6 All victories claimed during the Sino-Japanese War.
Tateo Kato 7 18 All biplane victories claimed during the Sino-Japanese War.
Kosuke Kawahara 8 8 Top Japanese biplane fighter ace.
All victories claimed during the Sino-Japanese War.
Mitsugu Sawada 5 12 All victories claimed during the Sino-Japanese War.

A number of aces also claimed victories while flying biplanes:

Fighter aces with biplane claims:

Name Biplane victories Total no. of victories Note
Toyoki Eto 2 12 All biplane victories claimed during the Sino-Japanese War.
Hatsu-o Hidaka 2 11 All biplane victories claimed during the Sino-Japanese War.
Yoshio Hirose 2 9 All biplane victories claimed during the Sino-Japanese War.
Tezio Kanamaru 3 8 All biplane victories claimed during the Sino-Japanese War.
Tadashi Kaneko 2 8 All biplane victories claimed during the Sino-Japanese War.
Kiyomi Katsuki 2 at least 16  
Masa-ichi Kondo 2 13 All biplane victories claimed during the Sino-Japanese War.
Toshio Kuro-iwa 1 shared 13 Biplane victory claimed during the Shanghai Incident.
Tameyoshi Kuroki 3 16 All biplane victories claimed during the Nomonhan Incident.
Akio Matsuba 1 shared 18 Biplane victory claimed during the Sino-Japanese War.
Iori Sakai 3 9 All biplane victories claimed during the Sino-Japanese War.
Hiroshi Sekiguchi 1 7 All biplane victories claimed during the Sino-Japanese War.
Tokuya Sudo 3 10 All biplane victories claimed during the Sino-Japanese War.
Rinpei Tanaka 2 5 Biplane victories claimed during the Sino-Japanese War.
Akira Yamamoto 1 13 Biplane victory claimed during the Sino-Japanese War.
Koshiro Yamashita 1 11 All victories claimed during the Sino-Japanese War.

Following pilots were also credited with biplane victories during this time:

Fighter pilots with biplane claims:

Name Biplane victories Total no. of victories Note
Atsumi 1 shared 1 shared Victory claimed during the Shanghai Incident.
Seitaro Awao 1 shared 1 shared Victory claimed during the Sino-Japanese War.
Masamitsu Ezoe 1 shared 1 shared  
Hatanaka 1 1 Victory claimed during the Sino-Japanese War.
Naoji Hayashi 1 shared 1 shared  
Masao Hideshima 1 shared 2 Biplane victory claimed during the Sino-Japanese War.
Hosono 1 1  
Nokiji Ikuta 1 shared 1 shared Victory claimed during the Shanghai Incident.
Akira Ishikawa 3 3 All victories claimed during the Nomonhan Incident.
H. Ichikawa 1 probable 1 probable  
Hajime Kawada 1 shared 2 Biplane victory claimed during the Sino-Japanese War.
Katsura Kichise 1 1 Victory claimed during the Sino-Japanese War.
Aito Kikuchi 1 shared 1 shared Victory claimed during the Sino-Japanese War.
Shuzo Kogawa 1 1 Victory claimed during the Sino-Japanese War.
Yutaka Kozuki 1 shared 1 shared Victory claimed during the Sino-Japanese War.
Yohei Machiba 1 shared 1 shared Victory claimed during the Sino-Japanese War.
Matsui 2 2 Victories claimed during the Sino-Japanese War.
Minematsu 1 probable 1 probable  
Juichi Morimoto 1 1 Victory claimed during the Sino-Japanese War.
Kiyoshi Nishikawa 2 shared 2 shared Victories claimed during the Sino-Japanese War.
Masayoshi Ohtsubo 1 1 Victory claimed during the Sino-Japanese War.
Soichi Okamoto 4 4 All victories claimed during the Nomonhan Incident.
Haruzo Ota 1 shared 1 shared  
Saito 1 1 Victory claimed during the Shanghai Incident.
Shiro Sakai 1 shared 1 shared  
Kiyonori Sano 1 1 Victory claimed during the Sino-Japanese War.
Takeshi Seikihata 1 1  
Shimura 2 2  
Suzuki 1 shared 1 shared Victory claimed during the Sino-Japanese War.
Saburo Takayasu 2 2  
Takeuchi 1 1  
Mohachiro Tokoro 1 1 Victory claimed during the Shanghai Incident.
Umekawa 2 2 Victories claimed during the Sino-Japanese War.
Yatomaru 3 3  

If anyone could provide more information about Japanese pilots, I would be very grateful.