Shark Damage Reduction Equipment
What is Kaien？
This device stimulates the Lollentini organ, an electrical sensing organ located on the tip of the nose of sharks and rays, by generating a small electric current on the surface and in the water that sharks dislike, thereby triggering the sharks’ avoidance behavior.
The use of this product can dramatically reduce damage caused by sharks and rays by using it for fishing damage caused by sharks, accidents involving surfers and swimmers, and in the life jacket field.
Enjoy fishing without thinking about the damage caused by sharks!
%
Shark Avoidance Rate *1
Kaien Users/year *2
%
Customer Satisfaction *3
*1 Demonstration by our staff in Sagami Bay: 65 out of 72 hits were avoided (2022)
*2 Actual results for FY 2022
*3 At Sagami Bay, from a post-use questionnaire
What’s new!
Regarding Product Delays
Currently, due to the worldwide shortage of semiconductors and the effects of the new coronavirus infection, there are significant delays in the delivery of electronic components used in our products.
We are attempting to arrange for parts as much as possible, but supply is not keeping up with demand, and we are receiving last-minute delays and undecided delivery notices.
As a result, we are unable to deliver our products, “KAIZEN series,” on time as expected by our customers.
We will continue to work proactively to keep in close contact with our suppliers and consider alternatives for parts, but the situation remains uncertain.
We deeply apologize for any inconvenience this may cause, as we are in the middle of the tuna season in Sagami Bay.
We will continue to do our utmost to ensure a stable supply of our products, and we appreciate your kind understanding and cooperation.
Kaien Products
Kaien Diving
Kaien Diving (for Divers)
Two Kaien tech with “patented technologies” are inside
Kaien Fishing
Kaien Fishing (for Anglers)
Splendid Alfonsino
Tuna Ring attached with Kaien
Kaien Forming
Kaien Forming (for Aquaculture)
Verification
Does Kaien work effectively? See the experiment here!
Testimonials
Every year we were plagued by sharks, but since using Kaien, we no longer lose money due to sharks.
2021 Sagami Bay
We are safely fishing for tuna.
2019 Sagami Bay
We will use Kaien again this year!
2022 Sagami Bay
Products
Kaien Diving (for Divers)
Kaien Forming (for aquaculture)
Kaien Fishing (for Anglers)
Reducing shark damage from fishing
Tuna Ring Attachment
Attach to tuna rings to reduce shark damage.
Click here to see more details about Tuna rings & attachments
Messages
We will continue uncompromising development to achieve coexistence with sharks.
Due in part to the warming trend, shark damage has been reported throughout the country.
For example, damage to anglers’ catch, fishermen’s catch and fishing gear, or damage to nets in aquaculture fish ponds.
Current shark control measures include,
– Exterminate sharks
– Entering a dedicated cage to avoid direct damage.
– Stop the operation and get out of the water.
Currently, sharks are being removed from the water by means of a special cage to avoid direct damage.
There is also concern about the negative impact on the IUCN Shark Specialist Group’s Red List of Threatened Species (17 of the 58 shark species).
-Mark Specialist Group
What if there was a way to keep sharks away?
KAIEN’s technology makes it possible to avoid harm to sharks.
Since 2013, we have been conducting a series of demonstration tests, and after the “KAIEN” for fishing, we are now working hard to expand the technology to other fields such as “diving” and “aquaculture”
Please visit our YouTube page to experience the effects of KAIEN.
Please let us know what you think too
About Company
Mission
We are constantly aiming to work on development to further improve the technology of the Kaien and its diversion to fishing and leisure activities.
Company
Hanazono Co., Ltd.
President and CEO
Satoshi Nagoya
Address
950-3, Makishima-cho, Nagasaki 851-0114, Japan
Patents
A device for repelling sharks and other underwater creatures that cause human damage or feeding damage, and its method of use.
Patent No. 6582307(Acquired on September 13, 2019)
Electronic Equipment and Electric Field Barrier Type Device.
Patent No. 7291364 (Acquired on June 7, 2023)
Fishing Aids and Apparatus to Prevent Fishing Injury from Sharks and Other Injurious Species. Patent No. 7351519 (Acquired on September 19, 2023)
Electronic Equipment and Magnetic Field Barrier Formation Device
Patent No. 7356768 (acquired on September. 27, 2023)
Patent No. 6582307
(Acquired on Sep. 13, 2019)
Patent No. 7291364
(Acquired on Jun. 7, 2023)
Patent No. 7351519
(Acquired on Sep. 19, 2023)
