Growing community of inventors

Yokohama, Japan

Masaaki Ishiwatari

Average Co-Inventor Count = 4.21

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 = 115

Masaaki IshiwatariYoshiyuki Ogusu (3 patents)Masaaki IshiwatariTomiyuki Nanba (2 patents)Masaaki IshiwatariYoshikazu Soyama (2 patents)Masaaki IshiwatariToshio Yoneyama (2 patents)Masaaki IshiwatariMiharu Nishida (2 patents)Masaaki IshiwatariMiyoko Mochizuki (2 patents)Masaaki IshiwatariHiroshi Tanaka (1 patent)Masaaki IshiwatariTakashi Matsumoto (1 patent)Masaaki IshiwatariTetsuya Kanbe (1 patent)Masaaki IshiwatariMakoto Takahashi (1 patent)Masaaki IshiwatariMichihiro Yamaguchi (1 patent)Masaaki IshiwatariHideki Takahashi (1 patent)Masaaki IshiwatariKenzo Ito (1 patent)Masaaki IshiwatariSadaki Takata (1 patent)Masaaki IshiwatariYoshihiro Kimura (1 patent)Masaaki IshiwatariToshiaki Kobayashi (1 patent)Masaaki IshiwatariMotokiyo Nakano (1 patent)Masaaki IshiwatariKazunori Yamazaki (1 patent)Masaaki IshiwatariYoshimaru Kumano (1 patent)Masaaki IshiwatariYutaka Okunuki (1 patent)Masaaki IshiwatariMuneo Tanaka (1 patent)Masaaki IshiwatariShin Nakamura (1 patent)Masaaki IshiwatariHiromi Ito (1 patent)Masaaki IshiwatariYuji Tsutsumi (1 patent)Masaaki IshiwatariKimio Ohno (1 patent)Masaaki IshiwatariShinji Tobe (1 patent)Masaaki IshiwatariHidekazu Toyoda (1 patent)Masaaki IshiwatariTooru Okamoto (1 patent)Masaaki IshiwatariTakashi Isa (1 patent)Masaaki IshiwatariMasaaki Ishiwatari (8 patents)Yoshiyuki OgusuYoshiyuki Ogusu (5 patents)Tomiyuki NanbaTomiyuki Nanba (23 patents)Yoshikazu SoyamaYoshikazu Soyama (17 patents)Toshio YoneyamaToshio Yoneyama (6 patents)Miharu NishidaMiharu Nishida (2 patents)Miyoko MochizukiMiyoko Mochizuki (2 patents)Hiroshi TanakaHiroshi Tanaka (41 patents)Takashi MatsumotoTakashi Matsumoto (41 patents)Tetsuya KanbeTetsuya Kanbe (29 patents)Makoto TakahashiMakoto Takahashi (27 patents)Michihiro YamaguchiMichihiro Yamaguchi (24 patents)Hideki TakahashiHideki Takahashi (24 patents)Kenzo ItoKenzo Ito (16 patents)Sadaki TakataSadaki Takata (14 patents)Yoshihiro KimuraYoshihiro Kimura (10 patents)Toshiaki KobayashiToshiaki Kobayashi (10 patents)Motokiyo NakanoMotokiyo Nakano (8 patents)Kazunori YamazakiKazunori Yamazaki (7 patents)Yoshimaru KumanoYoshimaru Kumano (7 patents)Yutaka OkunukiYutaka Okunuki (4 patents)Muneo TanakaMuneo Tanaka (2 patents)Shin NakamuraShin Nakamura (2 patents)Hiromi ItoHiromi Ito (2 patents)Yuji TsutsumiYuji Tsutsumi (2 patents)Kimio OhnoKimio Ohno (2 patents)Shinji TobeShinji Tobe (1 patent)Hidekazu ToyodaHidekazu Toyoda (1 patent)Tooru OkamotoTooru Okamoto (1 patent)Takashi IsaTakashi Isa (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Shiseido Company, Limited (7 from 1,007 patents)

2. Shideido Company Ltd. (1 from 1 patent)


8 patents:

1. 7189407 - Composition for external use

2. 6602513 - Face pack

3. 6074652 - Oil-in-water emulsified composition and oil-in-water emulsifying agent

4. 5470563 - Alleviating skin irritation resulting from applying tacky tapes

5. 5202114 - Gel composition and nail polish

6. 5015469 - Water-in-oil emulsion type cosmetics

7. 4897261 - Fingernail cosmetic composition

8. 4857304 - Cosmetic composition

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12/5/2025
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