Hirotani Patents – Key Insights and Stats

Hirotani has a total of 47 patents globally, out of which 29 have been granted. Of these 47 patents, more than 63% patents are active. Japan is where Hirotani has filed the maximum number of patents, followed by China and Mexico. Parallelly, China seems to be the main focused R&D center of Hirotani.

Hirotani was founded in the year 1951. Company manufactures, develops, and markets a wide range of sound absorption, vibration control, and interior parts for automobiles.

Do read about some of the most popular patents of Hirotani which have been covered by us in this article and also you can find Hirotani patents information, the worldwide patent filing activity and its patent filing trend over the years, and many other stats over Hirotani patent portfolio.

How many patents does Hirotani have?

Hirotani has a total of 47 patents globally. These patents belong to 29 unique patent families. Out of 47 patents, 30 patents are active.

How Many Patents did Hirotani File Every Year?

Hirotani Patent Filing Trend

Are you wondering why there is a drop in patent filing for the last two years? It is because a patent application can take up to 18 months to get published. Certainly, it doesn’t suggest a decrease in the patent filing.

Year of Patents Filing or GrantHirotani Applications FiledHirotani Patents Granted
2022 –1

How many Hirotani patents are Alive/Dead?

Worldwide Patents

Hirotani Patent Portfolio

How Many Patents did Hirotani File in Different Countries?

Hirotani Worldwide Patent Filing

Where are Research Centers of Hirotani Patents Located?

The R&D Centres of patents filed by Hirotani are in Japan.

10 Best Hirotani Patents

JP2006240408A is the most popular patent in the Hirotani portfolio. It has received 29 citations so far.

Below is the list of 10 most cited patents of Hirotani:

Publication NumberCitation Count

What are Hirotani key innovation segments?

What Technologies are Covered by Hirotani?

The chart below distributes patents filed by Hirotani in different countries on the basis of the technology protected in patents. It also represents the markets where Hirotani thinks it’s important to protect particular technology inventions.

R&D Focus: How has Hirotani search focus changed over the years?


Interested in knowing about the areas of innovation that are being protected by Hirotani?

Table of Content

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Our comprehensive report provides an in-depth look into the patent portfolio. The report includes a breakdown of the patent portfolio across various technologies, listing the patent along with brief summaries of each patent's technology.