Watanabe  wrote “Saimusha no sinyoufuanjouhou wo ete  doushanitaisuru gurupukaisha no saiken wo hozensubeki kyukyo yuzuriuketa saiken tono saisai (Set-off by the holder of claims against a company which are recieved from its affilited company hurriedly after acquring credit uncertainty information of that creditor for the purpose of securing theaffiliate’s claim)”

included in “HasanjitumuQ&A 220mon (Bankruptcy Practise Q&A 220Questions)”  Kiuchi michiyosi kanshu, Zenkoku Tousanshori Bengoshi Nettowaku(Supervised by M.Kiuchi and edited by Network of Japanese lawyers specilized in insolvency proceedings) (Kinzai 2019)

Watanabe  wrote “Chumonshahasan no ryuiten (Notes on Orderer Bankruptcy)” included in Hasankanzai no jitumu Dai3pan (Practise of Administratin in Bankruptcy 3rd Ed.) edited by Daiichi Tokyo Bengosikai Sougouhouritsukenkyujo Tousanhoubukai (Daiichi Tokyo Bar Association Legal Research Institute Bankruptcy Law Study Group) (Kinzai 2019)

Shimma & Chiba wrote jointly “Chomeihyoujibouyoukoui no gaitousei to torishimariyaku no sekinin ‘ Marikajiken ‘ Kousosin chukanhanketsu no gaiyou to  jitumu heno shisa (Finding of Unauthorized Use of Prominent Display: Summary of Interlocutory Decision of Appelllate Court on Marika Case and Its Implication to Practice)”  Businesshoumu Vol.10/No.12 ( 2019)