"My interest was then shifted to algorithmic aspects of combinatorial optimization, in particular dynamic programming …"

"In this period, R. Karp wrote a fascinating paper that formulated dynamic programming as a finite automaton with a mo…"

"I also made similar study on branch and bound algorithms in a general framework. My results in this area are summariz…"

"In the middle seventies, S. Cook and R. Karp came up with a notion of NP-completeness, creating a new field of comput…"

"I spent most of the time in the eighties developing algorithms for integer programming, fractional programming, sched…"

"From the nineties to the first decade of the new century, my research interest has been gradually shifted to the appl…"

"In these years, local-search based heuristic algorithms, now called metaheuristics, became popular, although they do …"

"For this purpose we have chosen such standard problems as constraint satisfaction problem, resource constrained proje…"

"I am glad to see these outcomes. Jointly with M. Yagiura, we wrote a textbook Combinatorial Optimization - Metaheuris…"

"Based on the sales variations and product diversification, our company is the number one in Japan. Even though we pro…"