Growing community of inventors

Kanagawa, Japan

Naoki Sakai

Average Co-Inventor Count = 2.30

ph-index = 4

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 = 62

Naoki SakaiShohta Kobashigawa (2 patents)Naoki SakaiYumiko Kishi (2 patents)Naoki SakaiHiroki Hiraguchi (2 patents)Naoki SakaiRyoichi Sugihara (2 patents)Naoki SakaiTakayuki Kanbara (2 patents)Naoki SakaiMasaaki Fujiyama (1 patent)Naoki SakaiHiroshi Kato (1 patent)Naoki SakaiTsutomu Yamazaki (1 patent)Naoki SakaiShinobu Iida (1 patent)Naoki SakaiAkihiro Sanda (1 patent)Naoki SakaiFujio Kuwabara (1 patent)Naoki SakaiKeisuke Yamada (1 patent)Naoki SakaiYoichi Ichikawa (1 patent)Naoki SakaiHiromi Yazawa (1 patent)Naoki SakaiHisashi Katou (1 patent)Naoki SakaiAstushi Takano (1 patent)Naoki SakaiAkio Matsunami (1 patent)Naoki SakaiNaoki Sakai (10 patents)Shohta KobashigawaShohta Kobashigawa (14 patents)Yumiko KishiYumiko Kishi (8 patents)Hiroki HiraguchiHiroki Hiraguchi (8 patents)Ryoichi SugiharaRyoichi Sugihara (2 patents)Takayuki KanbaraTakayuki Kanbara (2 patents)Masaaki FujiyamaMasaaki Fujiyama (119 patents)Hiroshi KatoHiroshi Kato (19 patents)Tsutomu YamazakiTsutomu Yamazaki (19 patents)Shinobu IidaShinobu Iida (15 patents)Akihiro SandaAkihiro Sanda (12 patents)Fujio KuwabaraFujio Kuwabara (8 patents)Keisuke YamadaKeisuke Yamada (7 patents)Yoichi IchikawaYoichi Ichikawa (6 patents)Hiromi YazawaHiromi Yazawa (4 patents)Hisashi KatouHisashi Katou (2 patents)Astushi TakanoAstushi Takano (1 patent)Akio MatsunamiAkio Matsunami (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Fuji Photo Film Company, Limited (6 from 16,458 patents)

2. Ricoh Company, Ltd. (3 from 28,544 patents)

3. Fujifilm Corporation (1 from 16,042 patents)


10 patents:

1. 10831022 - Information display device

2. 10491870 - Image display apparatus and image display method

3. 9905018 - Imaging apparatus, image processing method, and medium

4. 7543621 - Method and apparatus for bonding polarizing plate

5. 7022204 - Method and apparatus for bonding polarizing plate

6. 5772495 - Method and apparatus for producing photo filmstrip

7. 5423239 - Method for slitting a magnetic tape

8. 5165767 - Stock cart for displaceably accommodating wound magnetic tape units

9. 5000983 - Process for the preparation of magnetic recording medium

10. 4304179 - Marking method and device

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12/7/2025
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