Growing community of inventors

Tokyo, Japan

Wataru Kato

Average Co-Inventor Count = 1.86

ph-index = 1

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 17

Wataru KatoIsamu Nagasawa (1 patent)Wataru KatoMasahiko Sato (1 patent)Wataru KatoSatoshi Ikeda (1 patent)Wataru KatoTakashi Fukushima (1 patent)Wataru KatoMasato Kobayashi (1 patent)Wataru KatoKazuyuki Marukawa (1 patent)Wataru KatoKeiji Nakamura (1 patent)Wataru KatoYukihiro Ohzeki (1 patent)Wataru KatoKissei Matsumoto (1 patent)Wataru KatoNoboru Sakamoto (1 patent)Wataru KatoKotaro Kashiwa (1 patent)Wataru KatoKoji Tada (1 patent)Wataru KatoAkiko Inami (1 patent)Wataru KatoJunya Iino (1 patent)Wataru KatoMasasuke Yasumoto (1 patent)Wataru KatoWataru Kato (9 patents)Isamu NagasawaIsamu Nagasawa (133 patents)Masahiko SatoMasahiko Sato (96 patents)Satoshi IkedaSatoshi Ikeda (93 patents)Takashi FukushimaTakashi Fukushima (78 patents)Masato KobayashiMasato Kobayashi (42 patents)Kazuyuki MarukawaKazuyuki Marukawa (38 patents)Keiji NakamuraKeiji Nakamura (32 patents)Yukihiro OhzekiYukihiro Ohzeki (32 patents)Kissei MatsumotoKissei Matsumoto (28 patents)Noboru SakamotoNoboru Sakamoto (25 patents)Kotaro KashiwaKotaro Kashiwa (15 patents)Koji TadaKoji Tada (5 patents)Akiko InamiAkiko Inami (4 patents)Junya IinoJunya Iino (2 patents)Masasuke YasumotoMasasuke Yasumoto (1 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Subaru Corporation (3 from 2,065 patents)

2. Canon Kabushiki Kaisha (2 from 90,697 patents)

3. Sony Corporation (2 from 58,130 patents)

4. Sony Group Corporation (1 from 3,458 patents)

5. Fuji Jukogyo Kabushiki Kaisha (1 from 2,208 patents)

6. Sony Computer Entertainment Inc. (1 from 1,799 patents)


9 patents:

1. 11681247 - Image forming apparatus that can enhance usability by reducing the number of times a chart is placed on a reading device

2. 11305629 - Vehicle

3. 11287190 - Spiral heat exchanger

4. 10999487 - Image capturing system, image capturing device, and image capturing method

5. 10802425 - Image forming apparatus

6. 10549377 - Welding assistance member and spot-welding method using welding assistance member

7. 9266486 - Impact absorbing structure

8. 9259647 - Image generation program, recording medium, information processing method, information processing device and information processing program for a puzzle game

9. 7813757 - Information processor, information processing method, program and recording medium

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as of
12/28/2025
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