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At the same time, the importance of addressing secondary (consequent) problems has been increasing with widening practical (professional) application of TRIZ. In fact, the higher is the level of the obtained solution, the wider is the range of subsequent problems (in numbers and complexity) that must be resolved to ensure successful implementation.

The proposed paper will address the most typical situations and types of secondary problems and practical recommendations on how to approach them. The paper also will include a number of practical cases illustrating the importance of formulating and prompt resolution of secondary problems

Mr. Zlotin received his MS in electrical engineering from St. Petersburg Polytechnic University, Russia. He has over 30 years of experience in TRIZ and is widely recognized in the TRIZ community and considered one of the foremost theorists and TRIZ scientists in the world today. He is responsible for the majority of the advances made to the methodology to date. He facilitated solving of thousands of various problems, is the author or co-author of 15 books on TRIZ and several patents and has conducted numerous seminars, workshops, and lectures. He is the Chief scientist and VP at Ideation International Inc. 

Ms. Zusman received her MS in radio physics from St. Petersburg Polytechnic University, Russia. She has over 14 years of experience in corporate R&D and over 25 years of experience as a TRIZ expert with patent education.  She is one of the main contributors to the development of TRIZ applications--specifically to ARIZ, the patterns of systems evolution, AFD and DE methodology, and the TRIZSoft® family of software. She is the author or co-author of 14 books on TRIZ and several patents and has conducted numerous seminars, workshops, and lectures. She is the Director of TRIZ products development at Ideation International Inc.

Inside TRIZ

Quantifying the TRIZ Levels of Invention

Inside TRIZ


navneet bhushanQuantifying the TRIZ Levels of Invention

A tool to estimate the strength and life of a Patent

TRIZ (Theory of Inventive Problem Solving) classifies inventions into five novelty levels. At level 1 are slight modifications of the existing systems.  At level 2 are those inventions that resolve a system conflict or contradiction using usually inventive solution or inventive principle used to solve similar problems in other systems.    At level 3, the inventions change one subsystem or resolve the system conflicts in a fundamental way. At level 4, the invention gives birth to new systems using interdisciplinary approaches. The level 5 inventions are closer to a recently discovered scientific phenomenon. See article for a complete discussion.



TRIZ Features

Alexander Selutsky

TRIZ Feature

Alexander Selyutsky - a key figure in the history of TRIZ!

Alexander Selyutsky

Selyutsky Alexander Borisovich was born April 6, 1933 to an intelligent Jewish family residing in Leningrad. During the World War II the plant where his father was working was evacuated to the Urals, and the family (the parents and Alexander) moved to Chelyabinsk. Here, Alexander graduated from high school. He wanted to go to a military school, but didn’t pass vision test and entered the Chelyabinsk Polytechnic Institute. In his first year he was forced to learn boxing (because of frequent anti-Semitic attacks) and became a Komsomol activist.

After graduation, he was sent to Petrozavodsk Onega tractor plant, where he worked as a designer. He continued leading a very active social life, organized and led voluntary militia patrolling the streets of the city because the situation was very criminal. In the search for more satisfying work he became interested in patenting, completed appropriate courses and became a patent agent.

In 1960, Alexander married Dolly Naumovna Audleys, and had a daughter Alla in 1961. The same year G.S Altshuller published a book " “Learn how to invent"[1] . After reading this book in 1965 Selyutsky wrote a letter to Altshuller. This letter started their acquaintance by correspondence. Since then, Alexander became one of the most dedicated Altshuller’s disciples and an active promoter of the emerging new science.

They finally met in 1968 in Dzintary (near Riga), at the seminar organized by the Central Board of VOIR (state leading inventors’ and innovators’ society) that invited Altshuller and several of his associates. It was the first time that Alexander and others got a chance to work under the direct guidance of Altshuller and to learn from him. Later, in 1983, Alexander participated as one of the instructors in the seminar conducted by G.S. Altshuller in Moscow at the Institute for continuous education for chemical and petroleum industries.

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