Ushiku Daibutsu Upgrades Lightning Protection to Latest 'Lightning Sphere' Model
The Higashi Hongan-ji Ushiku Daibutsu has replaced its Lightning Suppression Systems 'PDCE' lightning rod with the latest 'Lightning Sphere-ALB' model. Having used the company’s products since 2010, the replacement was conducted to analyze the aging of the original product.
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- 📰 Published: May 25, 2026 at 22:50
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The lightning protection system at Higashi Hongan-ji Ushiku Daibutsu (Ushiku City, Ibaraki Prefecture, headed by Masahiro Maekawa) has utilized the 'PDCE' lightning suppression rod from Lightning Suppression Systems Inc. (Yokohama City, Kanagawa Prefecture, CEO Toshio Matsumoto) since August 2010. To analyze and evaluate the long-term internal aging of the product, the PDCE was removed with the cooperation of Ushiku Daibutsu and replaced with the state-of-the-art 'Lightning Sphere-ALB' model. (April 28, 2026)
## Before PDCE Installation, the Bronze Buddha Itself Acted as a Lightning Rod
Since its completion in 1993, the metal Buddha served as a grounded lightning rod; however, lightning damage occurred approximately every three years. In 2010, internal electronics, including elevators, failed, requiring a week for recovery. Consequently, Lightning Suppression Systems' 'lightning-repelling' rod was introduced, and since then, no direct lightning strikes have occurred.
For the company, founded in 2010, Ushiku Daibutsu was their very first installation site.
## 'Lightning Sphere' Features a Dual-Structure 3D Capacitor Design to Further Reduce Lightning Risk
'Lightning Sphere-ALB,' developed by the company in 2022, is an advanced model that further suppresses the 'upward streamers' that invite lightning strikes. The PDCE previously installed atop the Buddha will be used as a sample for future product development.
## Lightning Sphere-ALB Installed on the World's Tallest Bronze Statue
Measuring approximately 40cm in height and weighing about 5kg, the device is made of stainless steel and polycarbonate. It is a Japanese-made product with patents acquired in Japan, Europe, the U.S., and China.
## Lightning Suppression Systems Inc.
A specialized manufacturer of new-generation lightning rods protecting both buildings and equipment. Founded in 2010. Their 'PDCE Lightning Sphere' series, designed to prevent lightning accidents, supports the safety of social infrastructure, factories, outdoor sports facilities, and event venues in Japan. They hold over 120 intellectual property rights globally, and all products are made in Japan.
## Before PDCE Installation, the Bronze Buddha Itself Acted as a Lightning Rod
Since its completion in 1993, the metal Buddha served as a grounded lightning rod; however, lightning damage occurred approximately every three years. In 2010, internal electronics, including elevators, failed, requiring a week for recovery. Consequently, Lightning Suppression Systems' 'lightning-repelling' rod was introduced, and since then, no direct lightning strikes have occurred.
For the company, founded in 2010, Ushiku Daibutsu was their very first installation site.
## 'Lightning Sphere' Features a Dual-Structure 3D Capacitor Design to Further Reduce Lightning Risk
'Lightning Sphere-ALB,' developed by the company in 2022, is an advanced model that further suppresses the 'upward streamers' that invite lightning strikes. The PDCE previously installed atop the Buddha will be used as a sample for future product development.
## Lightning Sphere-ALB Installed on the World's Tallest Bronze Statue
Measuring approximately 40cm in height and weighing about 5kg, the device is made of stainless steel and polycarbonate. It is a Japanese-made product with patents acquired in Japan, Europe, the U.S., and China.
## Lightning Suppression Systems Inc.
A specialized manufacturer of new-generation lightning rods protecting both buildings and equipment. Founded in 2010. Their 'PDCE Lightning Sphere' series, designed to prevent lightning accidents, supports the safety of social infrastructure, factories, outdoor sports facilities, and event venues in Japan. They hold over 120 intellectual property rights globally, and all products are made in Japan.
FAQ
What is the name of the new lightning rod installed at the Ushiku Daibutsu?
The latest model is the 'Lightning Ball-ALB'.
Why was the lightning rod replaced?
To analyze and evaluate the internal aging changes of the 'PDCE' product that had been installed since 2010.
What kind of damage did the Ushiku Daibutsu suffer before the PDCE was installed?
Lightning strikes occurred approximately every three years, and in 2010, internal electronic equipment was damaged.
What is the design of the Lightning Ball-ALB?
It has a reinforced function to suppress the 'welcoming discharge' that attracts lightning, with a double-layered three-dimensional capacitor design.
What kind of company is Lightning Suppression Systems?
It is a specialized manufacturer founded in 2010 that develops the 'PDCE Lightning Ball' series to prevent lightning accidents.